161661565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{60661}}^1$

素因数の和:60720

約数の個数: 16

約数和(自身を含む): 214015536

約数和(自身を除く): 52353971

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 60661, 303305, 788593, 2487101, 3942965, 12435505, 32332313, 161661565]

約数ペア:

[(1, 161661565), (5, 32332313), (13, 12435505), (41, 3942965), (65, 2487101), (205, 788593), (533, 303305), (2665, 60661)]