2839645

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 3646080

約数和(自身を除く): 806435

約数列:

[1, 5, 19, 71, 95, 355, 421, 1349, 2105, 6745, 7999, 29891, 39995, 149455, 567929, 2839645]

約数ペア:

[(1, 2839645), (5, 567929), (19, 149455), (71, 39995), (95, 29891), (355, 7999), (421, 6745), (1349, 2105)]