161333575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{751}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 216055616

約数和(自身を除く): 54722041

約数列:

[1, 5, 13, 25, 65, 325, 661, 751, 3305, 3755, 8593, 9763, 16525, 18775, 42965, 48815, 214825, 244075, 496411, 2482055, 6453343, 12410275, 32266715, 161333575]

約数ペア:

[(1, 161333575), (5, 32266715), (13, 12410275), (25, 6453343), (65, 2482055), (325, 496411), (661, 244075), (751, 214825), (3305, 48815), (3755, 42965), (8593, 18775), (9763, 16525)]