208221330265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{188435593}}^1$

素因数の和:188435628

約数の個数: 16

約数和(自身を含む): 284914618128

約数和(自身を除く): 76693287863

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 188435593, 942177965, 2449662709, 3203405081, 12248313545, 16017025405, 41644266053, 208221330265]

約数ペア:

[(1, 208221330265), (5, 41644266053), (13, 16017025405), (17, 12248313545), (65, 3203405081), (85, 2449662709), (221, 942177965), (1105, 188435593)]