646295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 16

約数和(自身を含む): 854112

約数和(自身を除く): 207817

約数列:

[1, 5, 13, 61, 65, 163, 305, 793, 815, 2119, 3965, 9943, 10595, 49715, 129259, 646295]

約数ペア:

[(1, 646295), (5, 129259), (13, 49715), (61, 10595), (65, 9943), (163, 3965), (305, 2119), (793, 815)]