7871890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3187}}^1$

素因数の和:3226

約数の個数: 32

約数和(自身を含む): 16067520

約数和(自身を除く): 8195630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 3187, 6374, 15935, 31870, 41431, 60553, 82862, 121106, 207155, 302765, 414310, 605530, 787189, 1574378, 3935945, 7871890]

約数ペア:

[(1, 7871890), (2, 3935945), (5, 1574378), (10, 787189), (13, 605530), (19, 414310), (26, 302765), (38, 207155), (65, 121106), (95, 82862), (130, 60553), (190, 41431), (247, 31870), (494, 15935), (1235, 6374), (2470, 3187)]