20170318078

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{3389}}^1$

素因数の和:3880

約数の個数: 32

約数和(自身を含む): 30981888000

約数和(自身を除く): 10811569922

約数列:

[1, 2, 79, 139, 158, 271, 278, 542, 3389, 6778, 10981, 21409, 21962, 37669, 42818, 75338, 267731, 471071, 535462, 918419, 942142, 1836838, 2975851, 5951702, 37214609, 72555101, 74429218, 127660241, 145110202, 255320482, 10085159039, 20170318078]

約数ペア:

[(1, 20170318078), (2, 10085159039), (79, 255320482), (139, 145110202), (158, 127660241), (271, 74429218), (278, 72555101), (542, 37214609), (3389, 5951702), (6778, 2975851), (10981, 1836838), (21409, 942142), (21962, 918419), (37669, 535462), (42818, 471071), (75338, 267731)]