72781723

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8971}}^1$

素因数の和:9058

約数の個数: 16

約数和(自身を含む): 89002240

約数和(自身を除く): 16220517

約数列:

[1, 7, 19, 61, 133, 427, 1159, 8113, 8971, 62797, 170449, 547231, 1193143, 3830617, 10397389, 72781723]

約数ペア:

[(1, 72781723), (7, 10397389), (19, 3830617), (61, 1193143), (133, 547231), (427, 170449), (1159, 62797), (8113, 8971)]