28761649

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7457}}^1$

素因数の和:7512

約数の個数: 16

約数和(自身を含む): 35798400

約数和(自身を除く): 7036751

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 7457, 52199, 141683, 216253, 991781, 1513771, 4108807, 28761649]

約数ペア:

[(1, 28761649), (7, 4108807), (19, 1513771), (29, 991781), (133, 216253), (203, 141683), (551, 52199), (3857, 7457)]