161520203

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1\times {\mathrm{653}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 177992640

約数和(自身を除く): 16472437

約数列:

[1, 13, 53, 359, 653, 689, 4667, 8489, 19027, 34609, 234427, 247351, 449917, 3047551, 12424631, 161520203]

約数ペア:

[(1, 161520203), (13, 12424631), (53, 3047551), (359, 449917), (653, 247351), (689, 234427), (4667, 34609), (8489, 19027)]