78756665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 108573696

約数和(自身を除く): 29817031

約数列:

[1, 5, 13, 17, 65, 85, 221, 263, 271, 1105, 1315, 1355, 3419, 3523, 4471, 4607, 17095, 17615, 22355, 23035, 58123, 59891, 71273, 290615, 299455, 356365, 926549, 1211641, 4632745, 6058205, 15751333, 78756665]

約数ペア:

[(1, 78756665), (5, 15751333), (13, 6058205), (17, 4632745), (65, 1211641), (85, 926549), (221, 356365), (263, 299455), (271, 290615), (1105, 71273), (1315, 59891), (1355, 58123), (3419, 23035), (3523, 22355), (4471, 17615), (4607, 17095)]