1261852415

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{308899}}^1$

素因数の和:308966

約数の個数: 16

約数和(自身を含む): 1630992000

約数和(自身を除く): 369139585

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 308899, 1544495, 5869081, 13282657, 29345405, 66413285, 252370483, 1261852415]

約数ペア:

[(1, 1261852415), (5, 252370483), (19, 66413285), (43, 29345405), (95, 13282657), (215, 5869081), (817, 1544495), (4085, 308899)]