399173671

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{2719}}^1$

素因数の和:3246

約数の個数: 16

約数和(自身を含む): 449648640

約数和(自身を除く): 50474969

約数列:

[1, 13, 23, 299, 491, 2719, 6383, 11293, 35347, 62537, 146809, 812981, 1335029, 17355377, 30705667, 399173671]

約数ペア:

[(1, 399173671), (13, 30705667), (23, 17355377), (299, 1335029), (491, 812981), (2719, 146809), (6383, 62537), (11293, 35347)]