28220335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 41186880

約数和(自身を除く): 12966545

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 1361, 1595, 1885, 4147, 6805, 14971, 17693, 20735, 39469, 74855, 88465, 194623, 197345, 434159, 513097, 973115, 2170795, 2565485, 5644067, 28220335]

約数ペア:

[(1, 28220335), (5, 5644067), (11, 2565485), (13, 2170795), (29, 973115), (55, 513097), (65, 434159), (143, 197345), (145, 194623), (319, 88465), (377, 74855), (715, 39469), (1361, 20735), (1595, 17693), (1885, 14971), (4147, 6805)]