278898985

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{8287}}^1$

素因数の和:8472

約数の個数: 16

約数和(自身を含む): 343719936

約数和(自身を除く): 64820951

約数列:

[1, 5, 53, 127, 265, 635, 6731, 8287, 33655, 41435, 439211, 1052449, 2196055, 5262245, 55779797, 278898985]

約数ペア:

[(1, 278898985), (5, 55779797), (53, 5262245), (127, 2196055), (265, 1052449), (635, 439211), (6731, 41435), (8287, 33655)]