81257735

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 114156864

約数和(自身を除く): 32899129

約数列:

[1, 5, 13, 23, 37, 65, 113, 115, 169, 185, 299, 481, 565, 845, 851, 1469, 1495, 2405, 2599, 3887, 4181, 4255, 6253, 7345, 11063, 12995, 19097, 19435, 20905, 31265, 33787, 54353, 55315, 95485, 96163, 143819, 168935, 271765, 439231, 480815, 706589, 719095, 1250119, 2196155, 3532945, 6250595, 16251547, 81257735]

約数ペア:

[(1, 81257735), (5, 16251547), (13, 6250595), (23, 3532945), (37, 2196155), (65, 1250119), (113, 719095), (115, 706589), (169, 480815), (185, 439231), (299, 271765), (481, 168935), (565, 143819), (845, 96163), (851, 95485), (1469, 55315), (1495, 54353), (2405, 33787), (2599, 31265), (3887, 20905), (4181, 19435), (4255, 19097), (6253, 12995), (7345, 11063)]