15681008

素因数分解:

$2^4\times 7^1\times {\mathrm{140009}}^1$

素因数の和:140024

約数の個数: 20

約数和(自身を含む): 34722480

約数和(自身を除く): 19041472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 140009, 280018, 560036, 980063, 1120072, 1960126, 2240144, 3920252, 7840504, 15681008]

約数ペア:

[(1, 15681008), (2, 7840504), (4, 3920252), (7, 2240144), (8, 1960126), (14, 1120072), (16, 980063), (28, 560036), (56, 280018), (112, 140009)]