280438428

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{206813}}^1$

素因数の和:206933

約数の個数: 24

約数和(自身を含む): 660150288

約数和(自身を除く): 379711860

約数列:

[1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 206813, 413626, 620439, 827252, 1240878, 2481756, 23369869, 46739738, 70109607, 93479476, 140219214, 280438428]

約数ペア:

[(1, 280438428), (2, 140219214), (3, 93479476), (4, 70109607), (6, 46739738), (12, 23369869), (113, 2481756), (226, 1240878), (339, 827252), (452, 620439), (678, 413626), (1356, 206813)]