1221020195

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1\times {\mathrm{3191}}^1$

素因数の和:4042

約数の個数: 16

約数和(自身を含む): 1481905152

約数和(自身を除く): 260884957

約数列:

[1, 5, 103, 515, 743, 3191, 3715, 15955, 76529, 328673, 382645, 1643365, 2370913, 11854565, 244204039, 1221020195]

約数ペア:

[(1, 1221020195), (5, 244204039), (103, 11854565), (515, 2370913), (743, 1643365), (3191, 382645), (3715, 328673), (15955, 76529)]