1669265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 2197776

約数和(自身を除く): 528511

約数列:

[1, 5, 13, 61, 65, 305, 421, 793, 2105, 3965, 5473, 25681, 27365, 128405, 333853, 1669265]

約数ペア:

[(1, 1669265), (5, 333853), (13, 128405), (61, 27365), (65, 25681), (305, 5473), (421, 3965), (793, 2105)]