1990273859

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1\times {\mathrm{2539}}^1$

素因数の和:3650

約数の個数: 16

約数和(自身を含む): 2297948160

約数和(自身を除く): 307674301

約数列:

[1, 7, 113, 791, 991, 2539, 6937, 17773, 111983, 286907, 783881, 2008349, 2516149, 17613043, 284324837, 1990273859]

約数ペア:

[(1, 1990273859), (7, 284324837), (113, 17613043), (791, 2516149), (991, 2008349), (2539, 783881), (6937, 286907), (17773, 111983)]