28654285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 39118464

約数和(自身を除く): 10464179

約数列:

[1, 5, 11, 41, 55, 97, 131, 205, 451, 485, 655, 1067, 1441, 2255, 3977, 5335, 5371, 7205, 12707, 19885, 26855, 43747, 59081, 63535, 139777, 218735, 295405, 520987, 698885, 2604935, 5730857, 28654285]

約数ペア:

[(1, 28654285), (5, 5730857), (11, 2604935), (41, 698885), (55, 520987), (97, 295405), (131, 218735), (205, 139777), (451, 63535), (485, 59081), (655, 43747), (1067, 26855), (1441, 19885), (2255, 12707), (3977, 7205), (5335, 5371)]