681675454

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{21557}}^1$

素因数の和:21819

約数の個数: 16

約数和(自身を含む): 1039440528

約数和(自身を除く): 357765074

約数列:

[1, 2, 97, 163, 194, 326, 15811, 21557, 31622, 43114, 2091029, 3513791, 4182058, 7027582, 340837727, 681675454]

約数ペア:

[(1, 681675454), (2, 340837727), (97, 7027582), (163, 4182058), (194, 3513791), (326, 2091029), (15811, 43114), (21557, 31622)]