81527588

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 144824064

約数和(自身を除く): 63296476

約数列:

[1, 2, 4, 131, 157, 262, 314, 524, 628, 991, 1982, 3964, 20567, 41134, 82268, 129821, 155587, 259642, 311174, 519284, 622348, 20381897, 40763794, 81527588]

約数ペア:

[(1, 81527588), (2, 40763794), (4, 20381897), (131, 622348), (157, 519284), (262, 311174), (314, 259642), (524, 155587), (628, 129821), (991, 82268), (1982, 41134), (3964, 20567)]