12781996

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 23320080

約数和(自身を除く): 10538084

約数列:

[1, 2, 4, 41, 59, 82, 118, 164, 236, 1321, 2419, 2642, 4838, 5284, 9676, 54161, 77939, 108322, 155878, 216644, 311756, 3195499, 6390998, 12781996]

約数ペア:

[(1, 12781996), (2, 6390998), (4, 3195499), (41, 311756), (59, 216644), (82, 155878), (118, 108322), (164, 77939), (236, 54161), (1321, 9676), (2419, 5284), (2642, 4838)]