1238304565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1801}}^1\times {\mathrm{8089}}^1$

素因数の和:9912

約数の個数: 16

約数和(自身を含む): 1574443440

約数和(自身を除く): 336138875

約数列:

[1, 5, 17, 85, 1801, 8089, 9005, 30617, 40445, 137513, 153085, 687565, 14568289, 72841445, 247660913, 1238304565]

約数ペア:

[(1, 1238304565), (5, 247660913), (17, 72841445), (85, 14568289), (1801, 687565), (8089, 153085), (9005, 137513), (30617, 40445)]