1389913

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 16

約数和(自身を含む): 1693440

約数和(自身を除く): 303527

約数列:

[1, 7, 23, 89, 97, 161, 623, 679, 2047, 2231, 8633, 14329, 15617, 60431, 198559, 1389913]

約数ペア:

[(1, 1389913), (7, 198559), (23, 60431), (89, 15617), (97, 14329), (161, 8633), (623, 2231), (679, 2047)]