1889490239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1\times {\mathrm{7477}}^1$

素因数の和:10274

約数の個数: 16

約数和(自身を含む): 2326675008

約数和(自身を除く): 437184769

約数列:

[1, 7, 13, 91, 2777, 7477, 19439, 36101, 52339, 97201, 252707, 680407, 20763629, 145345403, 269927177, 1889490239]

約数ペア:

[(1, 1889490239), (7, 269927177), (13, 145345403), (91, 20763629), (2777, 680407), (7477, 252707), (19439, 97201), (36101, 52339)]