561781288

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{557}}^1\times {\mathrm{907}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 1063994400

約数和(自身を除く): 502213112

約数列:

[1, 2, 4, 8, 139, 278, 556, 557, 907, 1112, 1114, 1814, 2228, 3628, 4456, 7256, 77423, 126073, 154846, 252146, 309692, 504292, 505199, 619384, 1008584, 1010398, 2020796, 4041592, 70222661, 140445322, 280890644, 561781288]

約数ペア:

[(1, 561781288), (2, 280890644), (4, 140445322), (8, 70222661), (139, 4041592), (278, 2020796), (556, 1010398), (557, 1008584), (907, 619384), (1112, 505199), (1114, 504292), (1814, 309692), (2228, 252146), (3628, 154846), (4456, 126073), (7256, 77423)]