128508770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{26717}}^1$

素因数の和:26774

約数の個数: 32

約数和(自身を含む): 255851568

約数和(自身を除く): 127342798

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 26717, 53434, 133585, 267170, 347321, 694642, 988529, 1736605, 1977058, 3473210, 4942645, 9885290, 12850877, 25701754, 64254385, 128508770]

約数ペア:

[(1, 128508770), (2, 64254385), (5, 25701754), (10, 12850877), (13, 9885290), (26, 4942645), (37, 3473210), (65, 1977058), (74, 1736605), (130, 988529), (185, 694642), (370, 347321), (481, 267170), (962, 133585), (2405, 53434), (4810, 26717)]