39997517

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2108

約数の個数: 16

約数和(自身を含む): 47473152

約数和(自身を除く): 7475635

約数列:

[1, 7, 47, 61, 329, 427, 1993, 2867, 13951, 20069, 93671, 121573, 655697, 851011, 5713931, 39997517]

約数ペア:

[(1, 39997517), (7, 5713931), (47, 851011), (61, 655697), (329, 121573), (427, 93671), (1993, 20069), (2867, 13951)]