51721210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{178349}}^1$

素因数の和:178385

約数の個数: 16

約数和(自身を含む): 96309000

約数和(自身を除く): 44587790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 178349, 356698, 891745, 1783490, 5172121, 10344242, 25860605, 51721210]

約数ペア:

[(1, 51721210), (2, 25860605), (5, 10344242), (10, 5172121), (29, 1783490), (58, 891745), (145, 356698), (290, 178349)]