71252210

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 130680000

約数和(自身を除く): 59427790

約数列:

[1, 2, 5, 10, 109, 131, 218, 262, 499, 545, 655, 998, 1090, 1310, 2495, 4990, 14279, 28558, 54391, 65369, 71395, 108782, 130738, 142790, 271955, 326845, 543910, 653690, 7125221, 14250442, 35626105, 71252210]

約数ペア:

[(1, 71252210), (2, 35626105), (5, 14250442), (10, 7125221), (109, 653690), (131, 543910), (218, 326845), (262, 271955), (499, 142790), (545, 130738), (655, 108782), (998, 71395), (1090, 65369), (1310, 54391), (2495, 28558), (4990, 14279)]