1257295792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{4622411}}^1$

素因数の和:4622436

約数の個数: 20

約数和(自身を含む): 2579305896

約数和(自身を除く): 1322010104

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 4622411, 9244822, 18489644, 36979288, 73958576, 78580987, 157161974, 314323948, 628647896, 1257295792]

約数ペア:

[(1, 1257295792), (2, 628647896), (4, 314323948), (8, 157161974), (16, 78580987), (17, 73958576), (34, 36979288), (68, 18489644), (136, 9244822), (272, 4622411)]