85161964

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1721}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 151880400

約数和(自身を除く): 66718436

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 556, 1721, 3442, 6884, 12371, 24742, 49484, 153169, 239219, 306338, 478438, 612676, 956876, 21290491, 42580982, 85161964]

約数ペア:

[(1, 85161964), (2, 42580982), (4, 21290491), (89, 956876), (139, 612676), (178, 478438), (278, 306338), (356, 239219), (556, 153169), (1721, 49484), (3442, 24742), (6884, 12371)]