71981035

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 102316032

約数和(自身を除く): 30334997

約数列:

[1, 5, 7, 35, 41, 103, 205, 287, 487, 515, 721, 1435, 2435, 3409, 3605, 4223, 17045, 19967, 21115, 29561, 50161, 99835, 139769, 147805, 250805, 351127, 698845, 1755635, 2056601, 10283005, 14396207, 71981035]

約数ペア:

[(1, 71981035), (5, 14396207), (7, 10283005), (35, 2056601), (41, 1755635), (103, 698845), (205, 351127), (287, 250805), (487, 147805), (515, 139769), (721, 99835), (1435, 50161), (2435, 29561), (3409, 21115), (3605, 19967), (4223, 17045)]