87872464

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{39511}}^1$

素因数の和:39658

約数の個数: 20

約数和(自身を含む): 171482080

約数和(自身を除く): 83609616

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 39511, 79022, 158044, 316088, 632176, 5492029, 10984058, 21968116, 43936232, 87872464]

約数ペア:

[(1, 87872464), (2, 43936232), (4, 21968116), (8, 10984058), (16, 5492029), (139, 632176), (278, 316088), (556, 158044), (1112, 79022), (2224, 39511)]