1221008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^2$

素因数の和:159

約数の個数: 30

約数和(自身を含む): 2542806

約数和(自身を除く): 1321798

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1072, 1139, 2278, 4489, 4556, 8978, 9112, 17956, 18224, 35912, 71824, 76313, 152626, 305252, 610504, 1221008]

約数ペア:

[(1, 1221008), (2, 610504), (4, 305252), (8, 152626), (16, 76313), (17, 71824), (34, 35912), (67, 18224), (68, 17956), (134, 9112), (136, 8978), (268, 4556), (272, 4489), (536, 2278), (1072, 1139)]