389675845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{315527}}^1$

素因数の和:315564

約数の個数: 16

約数和(自身を含む): 530087040

約数和(自身を除く): 140411195

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 315527, 1577635, 4101851, 5995013, 20509255, 29975065, 77935169, 389675845]

約数ペア:

[(1, 389675845), (5, 77935169), (13, 29975065), (19, 20509255), (65, 5995013), (95, 4101851), (247, 1577635), (1235, 315527)]