201945455

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{1303}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 245360640

約数和(自身を除く): 43415185

約数列:

[1, 5, 139, 223, 695, 1115, 1303, 6515, 30997, 154985, 181117, 290569, 905585, 1452845, 40389091, 201945455]

約数ペア:

[(1, 201945455), (5, 40389091), (139, 1452845), (223, 905585), (695, 290569), (1115, 181117), (1303, 154985), (6515, 30997)]