278240255

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1\times {\mathrm{1889}}^1$

素因数の和:2314

約数の個数: 16

約数和(自身を含む): 338839200

約数和(自身を除く): 60598945

約数列:

[1, 5, 89, 331, 445, 1655, 1889, 9445, 29459, 147295, 168121, 625259, 840605, 3126295, 55648051, 278240255]

約数ペア:

[(1, 278240255), (5, 55648051), (89, 3126295), (331, 840605), (445, 625259), (1655, 168121), (1889, 147295), (9445, 29459)]