1391416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 2978640

約数和(自身を除く): 1587224

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 787, 884, 1574, 1768, 3148, 6296, 10231, 13379, 20462, 26758, 40924, 53516, 81848, 107032, 173927, 347854, 695708, 1391416]

約数ペア:

[(1, 1391416), (2, 695708), (4, 347854), (8, 173927), (13, 107032), (17, 81848), (26, 53516), (34, 40924), (52, 26758), (68, 20462), (104, 13379), (136, 10231), (221, 6296), (442, 3148), (787, 1768), (884, 1574)]