642280492802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{78923629}}^1$

素因数の和:78923957

約数の個数: 16

約数和(自身を含む): 1040844832440

約数和(自身を除く): 398564339638

約数列:

[1, 2, 13, 26, 313, 626, 4069, 8138, 78923629, 157847258, 1026007177, 2052014354, 24703095877, 49406191754, 321140246401, 642280492802]

約数ペア:

[(1, 642280492802), (2, 321140246401), (13, 49406191754), (26, 24703095877), (313, 2052014354), (626, 1026007177), (4069, 157847258), (8138, 78923629)]