31093990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 57788640

約数和(自身を除く): 26694650

約数列:

[1, 2, 5, 10, 41, 82, 181, 205, 362, 410, 419, 838, 905, 1810, 2095, 4190, 7421, 14842, 17179, 34358, 37105, 74210, 75839, 85895, 151678, 171790, 379195, 758390, 3109399, 6218798, 15546995, 31093990]

約数ペア:

[(1, 31093990), (2, 15546995), (5, 6218798), (10, 3109399), (41, 758390), (82, 379195), (181, 171790), (205, 151678), (362, 85895), (410, 75839), (419, 74210), (838, 37105), (905, 34358), (1810, 17179), (2095, 14842), (4190, 7421)]