15979990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1481}}^1$

素因数の和:1584

約数の個数: 32

約数和(自身を含む): 31370976

約数和(自身を除く): 15390986

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 415, 830, 1079, 1481, 2158, 2962, 5395, 7405, 10790, 14810, 19253, 38506, 96265, 122923, 192530, 245846, 614615, 1229230, 1597999, 3195998, 7989995, 15979990]

約数ペア:

[(1, 15979990), (2, 7989995), (5, 3195998), (10, 1597999), (13, 1229230), (26, 614615), (65, 245846), (83, 192530), (130, 122923), (166, 96265), (415, 38506), (830, 19253), (1079, 14810), (1481, 10790), (2158, 7405), (2962, 5395)]