257012964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{653}}^1$

素因数の和:734

約数の個数: 108

約数和(自身を含む): 725713716

約数和(自身を除く): 468700752

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 653, 754, 841, 1044, 1131, 1306, 1508, 1682, 1959, 2262, 2523, 2612, 3364, 3393, 3918, 4524, 5046, 5877, 6786, 7569, 7836, 8489, 10092, 10933, 11754, 13572, 15138, 16978, 18937, 21866, 23508, 25467, 30276, 32799, 33956, 37874, 43732, 50934, 56811, 65598, 75748, 76401, 98397, 101868, 113622, 131196, 152802, 170433, 196794, 227244, 246181, 305604, 340866, 393588, 492362, 549173, 681732, 738543, 984724, 1098346, 1477086, 1647519, 2196692, 2215629, 2954172, 3295038, 4431258, 4942557, 6590076, 7139249, 8862516, 9885114, 14278498, 19770228, 21417747, 28556996, 42835494, 64253241, 85670988, 128506482, 257012964]

約数ペア:

[(1, 257012964), (2, 128506482), (3, 85670988), (4, 64253241), (6, 42835494), (9, 28556996), (12, 21417747), (13, 19770228), (18, 14278498), (26, 9885114), (29, 8862516), (36, 7139249), (39, 6590076), (52, 4942557), (58, 4431258), (78, 3295038), (87, 2954172), (116, 2215629), (117, 2196692), (156, 1647519), (174, 1477086), (234, 1098346), (261, 984724), (348, 738543), (377, 681732), (468, 549173), (522, 492362), (653, 393588), (754, 340866), (841, 305604), (1044, 246181), (1131, 227244), (1306, 196794), (1508, 170433), (1682, 152802), (1959, 131196), (2262, 113622), (2523, 101868), (2612, 98397), (3364, 76401), (3393, 75748), (3918, 65598), (4524, 56811), (5046, 50934), (5877, 43732), (6786, 37874), (7569, 33956), (7836, 32799), (8489, 30276), (10092, 25467), (10933, 23508), (11754, 21866), (13572, 18937), (15138, 16978)]