491189629

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1\times {\mathrm{1789}}^1$

素因数の和:2500

約数の個数: 16

約数和(自身を含む): 571768960

約数和(自身を除く): 80579331

約数列:

[1, 7, 61, 427, 643, 1789, 4501, 12523, 39223, 109129, 274561, 763903, 1150327, 8052289, 70169947, 491189629]

約数ペア:

[(1, 491189629), (7, 70169947), (61, 8052289), (427, 1150327), (643, 763903), (1789, 274561), (4501, 109129), (12523, 39223)]