81904810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37061}}^1$

素因数の和:37098

約数の個数: 32

約数和(自身を含む): 168113232

約数和(自身を除く): 86208422

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 37061, 74122, 185305, 370610, 481793, 630037, 963586, 1260074, 2408965, 3150185, 4817930, 6300370, 8190481, 16380962, 40952405, 81904810]

約数ペア:

[(1, 81904810), (2, 40952405), (5, 16380962), (10, 8190481), (13, 6300370), (17, 4817930), (26, 3150185), (34, 2408965), (65, 1260074), (85, 963586), (130, 630037), (170, 481793), (221, 370610), (442, 185305), (1105, 74122), (2210, 37061)]