68001997

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 79994880

約数和(自身を除く): 11992883

約数列:

[1, 7, 47, 139, 329, 973, 1487, 6533, 10409, 45731, 69889, 206693, 489223, 1446851, 9714571, 68001997]

約数ペア:

[(1, 68001997), (7, 9714571), (47, 1446851), (139, 489223), (329, 206693), (973, 69889), (1487, 45731), (6533, 10409)]