71721830

素因数分解:

$2^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{10501}}^1$

素因数の和:11191

約数の個数: 16

約数和(自身を含む): 129300624

約数和(自身を除く): 57578794

約数列:

[1, 2, 5, 10, 683, 1366, 3415, 6830, 10501, 21002, 52505, 105010, 7172183, 14344366, 35860915, 71721830]

約数ペア:

[(1, 71721830), (2, 35860915), (5, 14344366), (10, 7172183), (683, 105010), (1366, 52505), (3415, 21002), (6830, 10501)]