81500612

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{1607}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 147678720

約数和(自身を除く): 66178108

約数列:

[1, 2, 4, 31, 62, 124, 409, 818, 1607, 1636, 3214, 6428, 12679, 25358, 49817, 50716, 99634, 199268, 657263, 1314526, 2629052, 20375153, 40750306, 81500612]

約数ペア:

[(1, 81500612), (2, 40750306), (4, 20375153), (31, 2629052), (62, 1314526), (124, 657263), (409, 199268), (818, 99634), (1607, 50716), (1636, 49817), (3214, 25358), (6428, 12679)]