15977858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 28095984

約数和(自身を除く): 12118126

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 221, 442, 481, 629, 962, 977, 1258, 1954, 8177, 12701, 16354, 16609, 25402, 33218, 36149, 72298, 215917, 431834, 469937, 614533, 939874, 1229066, 7988929, 15977858]

約数ペア:

[(1, 15977858), (2, 7988929), (13, 1229066), (17, 939874), (26, 614533), (34, 469937), (37, 431834), (74, 215917), (221, 72298), (442, 36149), (481, 33218), (629, 25402), (962, 16609), (977, 16354), (1258, 12701), (1954, 8177)]