13217510

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 24706080

約数和(自身を除く): 11488570

約数列:

[1, 2, 5, 10, 37, 74, 139, 185, 257, 278, 370, 514, 695, 1285, 1390, 2570, 5143, 9509, 10286, 19018, 25715, 35723, 47545, 51430, 71446, 95090, 178615, 357230, 1321751, 2643502, 6608755, 13217510]

約数ペア:

[(1, 13217510), (2, 6608755), (5, 2643502), (10, 1321751), (37, 357230), (74, 178615), (139, 95090), (185, 71446), (257, 51430), (278, 47545), (370, 35723), (514, 25715), (695, 19018), (1285, 10286), (1390, 9509), (2570, 5143)]