666874968

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 1687941120

約数和(自身を除く): 1021066152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 254, 331, 381, 508, 661, 662, 762, 993, 1016, 1322, 1324, 1524, 1983, 1986, 2644, 2648, 3048, 3966, 3972, 5288, 7932, 7944, 15864, 42037, 83947, 84074, 126111, 167894, 168148, 218791, 251841, 252222, 335788, 336296, 437582, 503682, 504444, 656373, 671576, 875164, 1007364, 1008888, 1312746, 1750328, 2014728, 2625492, 5250984, 27786457, 55572914, 83359371, 111145828, 166718742, 222291656, 333437484, 666874968]

約数ペア:

[(1, 666874968), (2, 333437484), (3, 222291656), (4, 166718742), (6, 111145828), (8, 83359371), (12, 55572914), (24, 27786457), (127, 5250984), (254, 2625492), (331, 2014728), (381, 1750328), (508, 1312746), (661, 1008888), (662, 1007364), (762, 875164), (993, 671576), (1016, 656373), (1322, 504444), (1324, 503682), (1524, 437582), (1983, 336296), (1986, 335788), (2644, 252222), (2648, 251841), (3048, 218791), (3966, 168148), (3972, 167894), (5288, 126111), (7932, 84074), (7944, 83947), (15864, 42037)]