639841174

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{972403}}^1$

素因数の和:972459

約数の個数: 16

約数和(自身を含む): 1120209408

約数和(自身を除く): 480368234

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 972403, 1944806, 6806821, 13613642, 45702941, 91405882, 319920587, 639841174]

約数ペア:

[(1, 639841174), (2, 319920587), (7, 91405882), (14, 45702941), (47, 13613642), (94, 6806821), (329, 1944806), (658, 972403)]