256778013

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{60661}}^1$

素因数の和:60764

約数の個数: 16

約数和(自身を含む): 366883776

約数和(自身を除く): 110105763

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 60661, 181983, 1031237, 3093711, 5034863, 15104589, 85592671, 256778013]

約数ペア:

[(1, 256778013), (3, 85592671), (17, 15104589), (51, 5034863), (83, 3093711), (249, 1031237), (1411, 181983), (4233, 60661)]