261517870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{1291}}^1$

素因数の和:1776

約数の個数: 32

約数和(自身を含む): 482236416

約数和(自身を除く): 220718546

約数列:

[1, 2, 5, 10, 47, 94, 235, 431, 470, 862, 1291, 2155, 2582, 4310, 6455, 12910, 20257, 40514, 60677, 101285, 121354, 202570, 303385, 556421, 606770, 1112842, 2782105, 5564210, 26151787, 52303574, 130758935, 261517870]

約数ペア:

[(1, 261517870), (2, 130758935), (5, 52303574), (10, 26151787), (47, 5564210), (94, 2782105), (235, 1112842), (431, 606770), (470, 556421), (862, 303385), (1291, 202570), (2155, 121354), (2582, 101285), (4310, 60677), (6455, 40514), (12910, 20257)]