654164

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 1333248

約数和(自身を除く): 679084

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 383, 427, 766, 854, 1532, 1708, 2681, 5362, 10724, 23363, 46726, 93452, 163541, 327082, 654164]

約数ペア:

[(1, 654164), (2, 327082), (4, 163541), (7, 93452), (14, 46726), (28, 23363), (61, 10724), (122, 5362), (244, 2681), (383, 1708), (427, 1532), (766, 854)]