89497009

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 104382720

約数和(自身を除く): 14885711

約数列:

[1, 7, 101, 103, 707, 721, 1229, 8603, 10403, 72821, 124129, 126587, 868903, 886109, 12785287, 89497009]

約数ペア:

[(1, 89497009), (7, 12785287), (101, 886109), (103, 868903), (707, 126587), (721, 124129), (1229, 72821), (8603, 10403)]