61991410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1697}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 120666672

約数和(自身を除く): 58675262

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 1405, 1697, 2810, 3394, 3653, 7306, 8485, 16970, 18265, 22061, 36530, 44122, 110305, 220610, 476857, 953714, 2384285, 4768570, 6199141, 12398282, 30995705, 61991410]

約数ペア:

[(1, 61991410), (2, 30995705), (5, 12398282), (10, 6199141), (13, 4768570), (26, 2384285), (65, 953714), (130, 476857), (281, 220610), (562, 110305), (1405, 44122), (1697, 36530), (2810, 22061), (3394, 18265), (3653, 16970), (7306, 8485)]