31221000724

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{920539}}^1$

素因数の和:920743

約数の個数: 24

約数和(自身を含む): 55932010400

約数和(自身を除く): 24711009676

約数列:

[1, 2, 4, 61, 122, 139, 244, 278, 556, 8479, 16958, 33916, 920539, 1841078, 3682156, 56152879, 112305758, 127954921, 224611516, 255909842, 511819684, 7805250181, 15610500362, 31221000724]

約数ペア:

[(1, 31221000724), (2, 15610500362), (4, 7805250181), (61, 511819684), (122, 255909842), (139, 224611516), (244, 127954921), (278, 112305758), (556, 56152879), (8479, 3682156), (16958, 1841078), (33916, 920539)]