261110665

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 331209216

約数和(自身を除く): 70098551

約数列:

[1, 5, 37, 71, 103, 185, 193, 355, 515, 965, 2627, 3811, 7141, 7313, 13135, 13703, 19055, 19879, 35705, 36565, 68515, 99395, 270581, 507011, 735523, 1352905, 1411409, 2535055, 3677615, 7057045, 52222133, 261110665]

約数ペア:

[(1, 261110665), (5, 52222133), (37, 7057045), (71, 3677615), (103, 2535055), (185, 1411409), (193, 1352905), (355, 735523), (515, 507011), (965, 270581), (2627, 99395), (3811, 68515), (7141, 36565), (7313, 35705), (13135, 19879), (13703, 19055)]