642427916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{51263}}^1$

素因数の和:51521

約数の個数: 24

約数和(自身を含む): 1215777024

約数和(自身を除く): 573349108

約数列:

[1, 2, 4, 13, 26, 52, 241, 482, 964, 3133, 6266, 12532, 51263, 102526, 205052, 666419, 1332838, 2665676, 12354383, 24708766, 49417532, 160606979, 321213958, 642427916]

約数ペア:

[(1, 642427916), (2, 321213958), (4, 160606979), (13, 49417532), (26, 24708766), (52, 12354383), (241, 2665676), (482, 1332838), (964, 666419), (3133, 205052), (6266, 102526), (12532, 51263)]