491971390

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1\times {\mathrm{1831}}^1$

素因数の和:2212

約数の個数: 32

約数和(自身を含む): 898398144

約数和(自身を除く): 406426754

約数列:

[1, 2, 5, 10, 97, 194, 277, 485, 554, 970, 1385, 1831, 2770, 3662, 9155, 18310, 26869, 53738, 134345, 177607, 268690, 355214, 507187, 888035, 1014374, 1776070, 2535935, 5071870, 49197139, 98394278, 245985695, 491971390]

約数ペア:

[(1, 491971390), (2, 245985695), (5, 98394278), (10, 49197139), (97, 5071870), (194, 2535935), (277, 1776070), (485, 1014374), (554, 888035), (970, 507187), (1385, 355214), (1831, 268690), (2770, 177607), (3662, 134345), (9155, 53738), (18310, 26869)]