2257451

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 16

約数和(自身を含む): 2715648

約数和(自身を除く): 458197

約数列:

[1, 7, 31, 101, 103, 217, 707, 721, 3131, 3193, 10403, 21917, 22351, 72821, 322493, 2257451]

約数ペア:

[(1, 2257451), (7, 322493), (31, 72821), (101, 22351), (103, 21917), (217, 10403), (707, 3193), (721, 3131)]