15691216

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{22807}}^1$

素因数の和:22858

約数の個数: 20

約数和(自身を含む): 31110112

約数和(自身を除く): 15418896

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 22807, 45614, 91228, 182456, 364912, 980701, 1961402, 3922804, 7845608, 15691216]

約数ペア:

[(1, 15691216), (2, 7845608), (4, 3922804), (8, 1961402), (16, 980701), (43, 364912), (86, 182456), (172, 91228), (344, 45614), (688, 22807)]