139620908

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{121621}}^1$

素因数の和:121673

約数の個数: 24

約数和(自身を含む): 286054944

約数和(自身を除く): 146434036

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 121621, 243242, 486484, 851347, 1702694, 3405388, 4986461, 9972922, 19945844, 34905227, 69810454, 139620908]

約数ペア:

[(1, 139620908), (2, 69810454), (4, 34905227), (7, 19945844), (14, 9972922), (28, 4986461), (41, 3405388), (82, 1702694), (164, 851347), (287, 486484), (574, 243242), (1148, 121621)]