639523556

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{993049}}^1$

素因数の和:993083

約数の個数: 24

約数和(自身を含む): 1334659200

約数和(自身を除く): 695135644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 993049, 1986098, 3972196, 6951343, 13902686, 22840127, 27805372, 45680254, 91360508, 159880889, 319761778, 639523556]

約数ペア:

[(1, 639523556), (2, 319761778), (4, 159880889), (7, 91360508), (14, 45680254), (23, 27805372), (28, 22840127), (46, 13902686), (92, 6951343), (161, 3972196), (322, 1986098), (644, 993049)]