28679398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{68611}}^1$

素因数の和:68643

約数の個数: 16

約数和(自身を含む): 49400640

約数和(自身を除く): 20721242

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 68611, 137222, 754721, 1303609, 1509442, 2607218, 14339699, 28679398]

約数ペア:

[(1, 28679398), (2, 14339699), (11, 2607218), (19, 1509442), (22, 1303609), (38, 754721), (209, 137222), (418, 68611)]