15644272

素因数分解:

$2^4\times 7^1\times {\mathrm{139681}}^1$

素因数の和:139696

約数の個数: 20

約数和(自身を含む): 34641136

約数和(自身を除く): 18996864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139681, 279362, 558724, 977767, 1117448, 1955534, 2234896, 3911068, 7822136, 15644272]

約数ペア:

[(1, 15644272), (2, 7822136), (4, 3911068), (7, 2234896), (8, 1955534), (14, 1117448), (16, 977767), (28, 558724), (56, 279362), (112, 139681)]