39897136

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{22067}}^1$

素因数の和:22188

約数の個数: 20

約数和(自身を含む): 77988312

約数和(自身を除く): 38091176

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 22067, 44134, 88268, 176536, 353072, 2493571, 4987142, 9974284, 19948568, 39897136]

約数ペア:

[(1, 39897136), (2, 19948568), (4, 9974284), (8, 4987142), (16, 2493571), (113, 353072), (226, 176536), (452, 88268), (904, 44134), (1808, 22067)]