639295524

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1307}}^1$

素因数の和:1974

約数の個数: 96

約数和(自身を含む): 1898588160

約数和(自身を除く): 1259292636

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 647, 756, 1294, 1307, 1941, 2588, 2614, 3882, 3921, 4529, 5228, 5823, 7764, 7842, 9058, 9149, 11646, 11763, 13587, 15684, 17469, 18116, 18298, 23292, 23526, 27174, 27447, 34938, 35289, 36596, 40761, 47052, 54348, 54894, 69876, 70578, 81522, 82341, 109788, 122283, 141156, 163044, 164682, 244566, 247023, 329364, 489132, 494046, 845629, 988092, 1691258, 2536887, 3382516, 5073774, 5919403, 7610661, 10147548, 11838806, 15221322, 17758209, 22831983, 23677612, 30442644, 35516418, 45663966, 53274627, 71032836, 91327932, 106549254, 159823881, 213098508, 319647762, 639295524]

約数ペア:

[(1, 639295524), (2, 319647762), (3, 213098508), (4, 159823881), (6, 106549254), (7, 91327932), (9, 71032836), (12, 53274627), (14, 45663966), (18, 35516418), (21, 30442644), (27, 23677612), (28, 22831983), (36, 17758209), (42, 15221322), (54, 11838806), (63, 10147548), (84, 7610661), (108, 5919403), (126, 5073774), (189, 3382516), (252, 2536887), (378, 1691258), (647, 988092), (756, 845629), (1294, 494046), (1307, 489132), (1941, 329364), (2588, 247023), (2614, 244566), (3882, 164682), (3921, 163044), (4529, 141156), (5228, 122283), (5823, 109788), (7764, 82341), (7842, 81522), (9058, 70578), (9149, 69876), (11646, 54894), (11763, 54348), (13587, 47052), (15684, 40761), (17469, 36596), (18116, 35289), (18298, 34938), (23292, 27447), (23526, 27174)]