638553048

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9721}}^1$

素因数の和:9777

約数の個数: 128

約数和(自身を含む): 2015953920

約数和(自身を除く): 1377400872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 23, 24, 28, 34, 42, 46, 51, 56, 68, 69, 84, 92, 102, 119, 136, 138, 161, 168, 184, 204, 238, 276, 322, 357, 391, 408, 476, 483, 552, 644, 714, 782, 952, 966, 1173, 1288, 1428, 1564, 1932, 2346, 2737, 2856, 3128, 3864, 4692, 5474, 8211, 9384, 9721, 10948, 16422, 19442, 21896, 29163, 32844, 38884, 58326, 65688, 68047, 77768, 116652, 136094, 165257, 204141, 223583, 233304, 272188, 330514, 408282, 447166, 495771, 544376, 661028, 670749, 816564, 894332, 991542, 1156799, 1322056, 1341498, 1565081, 1633128, 1788664, 1983084, 2313598, 2682996, 3130162, 3470397, 3800911, 3966168, 4627196, 4695243, 5365992, 6260324, 6940794, 7601822, 9254392, 9390486, 11402733, 12520648, 13881588, 15203644, 18780972, 22805466, 26606377, 27763176, 30407288, 37561944, 45610932, 53212754, 79819131, 91221864, 106425508, 159638262, 212851016, 319276524, 638553048]

約数ペア:

[(1, 638553048), (2, 319276524), (3, 212851016), (4, 159638262), (6, 106425508), (7, 91221864), (8, 79819131), (12, 53212754), (14, 45610932), (17, 37561944), (21, 30407288), (23, 27763176), (24, 26606377), (28, 22805466), (34, 18780972), (42, 15203644), (46, 13881588), (51, 12520648), (56, 11402733), (68, 9390486), (69, 9254392), (84, 7601822), (92, 6940794), (102, 6260324), (119, 5365992), (136, 4695243), (138, 4627196), (161, 3966168), (168, 3800911), (184, 3470397), (204, 3130162), (238, 2682996), (276, 2313598), (322, 1983084), (357, 1788664), (391, 1633128), (408, 1565081), (476, 1341498), (483, 1322056), (552, 1156799), (644, 991542), (714, 894332), (782, 816564), (952, 670749), (966, 661028), (1173, 544376), (1288, 495771), (1428, 447166), (1564, 408282), (1932, 330514), (2346, 272188), (2737, 233304), (2856, 223583), (3128, 204141), (3864, 165257), (4692, 136094), (5474, 116652), (8211, 77768), (9384, 68047), (9721, 65688), (10948, 58326), (16422, 38884), (19442, 32844), (21896, 29163)]