638142876

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:293

約数の個数: 216

約数和(自身を含む): 1971889920

約数和(自身を除く): 1333747044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 47, 49, 63, 84, 86, 94, 98, 126, 129, 141, 147, 172, 179, 188, 196, 252, 258, 282, 294, 301, 329, 358, 387, 423, 441, 516, 537, 564, 588, 602, 658, 716, 774, 846, 882, 903, 987, 1074, 1204, 1253, 1316, 1548, 1611, 1692, 1764, 1806, 1974, 2021, 2107, 2148, 2303, 2506, 2709, 2961, 3222, 3612, 3759, 3948, 4042, 4214, 4606, 5012, 5418, 5922, 6063, 6321, 6444, 6909, 7518, 7697, 8084, 8413, 8428, 8771, 9212, 10836, 11277, 11844, 12126, 12642, 13818, 14147, 15036, 15394, 16826, 17542, 18189, 18963, 20727, 22554, 23091, 24252, 25239, 25284, 26313, 27636, 28294, 30788, 33652, 35084, 36378, 37926, 41454, 42441, 45108, 46182, 50478, 52626, 53879, 56588, 58891, 69273, 72756, 75717, 75852, 78939, 82908, 84882, 92364, 99029, 100956, 105252, 107758, 117782, 127323, 138546, 151434, 157878, 161637, 169764, 176673, 198058, 215516, 235564, 254646, 277092, 297087, 302868, 315756, 323274, 353346, 361759, 377153, 396116, 412237, 484911, 509292, 530019, 594174, 646548, 706692, 723518, 754306, 824474, 891261, 969822, 1060038, 1085277, 1131459, 1188348, 1236711, 1447036, 1508612, 1648948, 1782522, 1939644, 2120076, 2170554, 2262918, 2473422, 2532313, 3255831, 3394377, 3565044, 3710133, 4341108, 4525836, 4946844, 5064626, 6511662, 6788754, 7420266, 7596939, 10129252, 13023324, 13577508, 14840532, 15193878, 17726191, 22790817, 30387756, 35452382, 45581634, 53178573, 70904764, 91163268, 106357146, 159535719, 212714292, 319071438, 638142876]

約数ペア:

[(1, 638142876), (2, 319071438), (3, 212714292), (4, 159535719), (6, 106357146), (7, 91163268), (9, 70904764), (12, 53178573), (14, 45581634), (18, 35452382), (21, 30387756), (28, 22790817), (36, 17726191), (42, 15193878), (43, 14840532), (47, 13577508), (49, 13023324), (63, 10129252), (84, 7596939), (86, 7420266), (94, 6788754), (98, 6511662), (126, 5064626), (129, 4946844), (141, 4525836), (147, 4341108), (172, 3710133), (179, 3565044), (188, 3394377), (196, 3255831), (252, 2532313), (258, 2473422), (282, 2262918), (294, 2170554), (301, 2120076), (329, 1939644), (358, 1782522), (387, 1648948), (423, 1508612), (441, 1447036), (516, 1236711), (537, 1188348), (564, 1131459), (588, 1085277), (602, 1060038), (658, 969822), (716, 891261), (774, 824474), (846, 754306), (882, 723518), (903, 706692), (987, 646548), (1074, 594174), (1204, 530019), (1253, 509292), (1316, 484911), (1548, 412237), (1611, 396116), (1692, 377153), (1764, 361759), (1806, 353346), (1974, 323274), (2021, 315756), (2107, 302868), (2148, 297087), (2303, 277092), (2506, 254646), (2709, 235564), (2961, 215516), (3222, 198058), (3612, 176673), (3759, 169764), (3948, 161637), (4042, 157878), (4214, 151434), (4606, 138546), (5012, 127323), (5418, 117782), (5922, 107758), (6063, 105252), (6321, 100956), (6444, 99029), (6909, 92364), (7518, 84882), (7697, 82908), (8084, 78939), (8413, 75852), (8428, 75717), (8771, 72756), (9212, 69273), (10836, 58891), (11277, 56588), (11844, 53879), (12126, 52626), (12642, 50478), (13818, 46182), (14147, 45108), (15036, 42441), (15394, 41454), (16826, 37926), (17542, 36378), (18189, 35084), (18963, 33652), (20727, 30788), (22554, 28294), (23091, 27636), (24252, 26313), (25239, 25284)]