15891391

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 17510400

約数和(自身を除く): 1619009

約数列:

[1, 19, 29, 151, 191, 551, 2869, 3629, 4379, 5539, 28841, 83201, 105241, 547979, 836389, 15891391]

約数ペア:

[(1, 15891391), (19, 836389), (29, 547979), (151, 105241), (191, 83201), (551, 28841), (2869, 5539), (3629, 4379)]