403734032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{1999}}^1$

素因数の和:2991

約数の個数: 40

約数和(自身を含む): 843696000

約数和(自身を除く): 439961968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 971, 1942, 1999, 3884, 3998, 7768, 7996, 12623, 15536, 15992, 25246, 25987, 31984, 50492, 51974, 100984, 103948, 201968, 207896, 415792, 1941029, 3882058, 7764116, 15528232, 25233377, 31056464, 50466754, 100933508, 201867016, 403734032]

約数ペア:

[(1, 403734032), (2, 201867016), (4, 100933508), (8, 50466754), (13, 31056464), (16, 25233377), (26, 15528232), (52, 7764116), (104, 3882058), (208, 1941029), (971, 415792), (1942, 207896), (1999, 201968), (3884, 103948), (3998, 100984), (7768, 51974), (7996, 50492), (12623, 31984), (15536, 25987), (15992, 25246)]