123221995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{8501}}^1$

素因数の和:8742

約数の個数: 16

約数和(自身を含む): 159973632

約数和(自身を除く): 36751637

約数列:

[1, 5, 13, 65, 223, 1115, 2899, 8501, 14495, 42505, 110513, 552565, 1895723, 9478615, 24644399, 123221995]

約数ペア:

[(1, 123221995), (5, 24644399), (13, 9478615), (65, 1895723), (223, 552565), (1115, 110513), (2899, 42505), (8501, 14495)]