201867016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{1999}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 408240000

約数和(自身を除く): 206372984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 971, 1942, 1999, 3884, 3998, 7768, 7996, 12623, 15992, 25246, 25987, 50492, 51974, 100984, 103948, 207896, 1941029, 3882058, 7764116, 15528232, 25233377, 50466754, 100933508, 201867016]

約数ペア:

[(1, 201867016), (2, 100933508), (4, 50466754), (8, 25233377), (13, 15528232), (26, 7764116), (52, 3882058), (104, 1941029), (971, 207896), (1942, 103948), (1999, 100984), (3884, 51974), (3998, 50492), (7768, 25987), (7996, 25246), (12623, 15992)]