642964056

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{123457}}^1$

素因数の和:123504

約数の個数: 64

約数和(自身を含む): 1896314880

約数和(自身を除く): 1253350824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 5208, 123457, 246914, 370371, 493828, 740742, 864199, 987656, 1481484, 1728398, 2592597, 2962968, 3456796, 3827167, 5185194, 6913592, 7654334, 10370388, 11481501, 15308668, 20740776, 22963002, 26790169, 30617336, 45926004, 53580338, 80370507, 91852008, 107160676, 160741014, 214321352, 321482028, 642964056]

約数ペア:

[(1, 642964056), (2, 321482028), (3, 214321352), (4, 160741014), (6, 107160676), (7, 91852008), (8, 80370507), (12, 53580338), (14, 45926004), (21, 30617336), (24, 26790169), (28, 22963002), (31, 20740776), (42, 15308668), (56, 11481501), (62, 10370388), (84, 7654334), (93, 6913592), (124, 5185194), (168, 3827167), (186, 3456796), (217, 2962968), (248, 2592597), (372, 1728398), (434, 1481484), (651, 987656), (744, 864199), (868, 740742), (1302, 493828), (1736, 370371), (2604, 246914), (5208, 123457)]