74981968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{275669}}^1$

素因数の和:275694

約数の個数: 20

約数和(自身を含む): 153823860

約数和(自身を除く): 78841892

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 275669, 551338, 1102676, 2205352, 4410704, 4686373, 9372746, 18745492, 37490984, 74981968]

約数ペア:

[(1, 74981968), (2, 37490984), (4, 18745492), (8, 9372746), (16, 4686373), (17, 4410704), (34, 2205352), (68, 1102676), (136, 551338), (272, 275669)]