161091385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{354047}}^1$

素因数の和:354072

約数の個数: 16

約数和(自身を含む): 237920256

約数和(自身を除く): 76828871

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 354047, 1770235, 2478329, 4602611, 12391645, 23013055, 32218277, 161091385]

約数ペア:

[(1, 161091385), (5, 32218277), (7, 23013055), (13, 12391645), (35, 4602611), (65, 2478329), (91, 1770235), (455, 354047)]