505647541

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1213}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 637728768

約数和(自身を除く): 132081227

約数列:

[1, 7, 17, 31, 113, 119, 217, 527, 791, 1213, 1921, 3503, 3689, 8491, 13447, 20621, 24521, 37603, 59551, 137069, 144347, 263221, 416857, 639251, 959483, 2330173, 4249139, 4474757, 16311211, 29743973, 72235363, 505647541]

約数ペア:

[(1, 505647541), (7, 72235363), (17, 29743973), (31, 16311211), (113, 4474757), (119, 4249139), (217, 2330173), (527, 959483), (791, 639251), (1213, 416857), (1921, 263221), (3503, 144347), (3689, 137069), (8491, 59551), (13447, 37603), (20621, 24521)]