639696098

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{68329}}^1$

素因数の和:68513

約数の個数: 16

約数和(自身を含む): 997071360

約数和(自身を除く): 357375262

約数列:

[1, 2, 31, 62, 151, 302, 4681, 9362, 68329, 136658, 2118199, 4236398, 10317679, 20635358, 319848049, 639696098]

約数ペア:

[(1, 639696098), (2, 319848049), (31, 20635358), (62, 10317679), (151, 4236398), (302, 2118199), (4681, 136658), (9362, 68329)]