91605890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223429}}^1$

素因数の和:223477

約数の個数: 16

約数和(自身を含む): 168913080

約数和(自身を除く): 77307190

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 223429, 446858, 1117145, 2234290, 9160589, 18321178, 45802945, 91605890]

約数ペア:

[(1, 91605890), (2, 45802945), (5, 18321178), (10, 9160589), (41, 2234290), (82, 1117145), (205, 446858), (410, 223429)]