81790772

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{94229}}^1$

素因数の和:94271

約数の個数: 24

約数和(自身を含む): 168860160

約数和(自身を除く): 87069388

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 94229, 188458, 376916, 659603, 1319206, 2638412, 2921099, 5842198, 11684396, 20447693, 40895386, 81790772]

約数ペア:

[(1, 81790772), (2, 40895386), (4, 20447693), (7, 11684396), (14, 5842198), (28, 2921099), (31, 2638412), (62, 1319206), (124, 659603), (217, 376916), (434, 188458), (868, 94229)]