28309645

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{62219}}^1$

素因数の和:62244

約数の個数: 16

約数和(自身を含む): 41811840

約数和(自身を除く): 13502195

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 62219, 311095, 435533, 808847, 2177665, 4044235, 5661929, 28309645]

約数ペア:

[(1, 28309645), (5, 5661929), (7, 4044235), (13, 2177665), (35, 808847), (65, 435533), (91, 311095), (455, 62219)]