81402208

素因数分解:

$2^5\times {\mathrm{557}}^1\times {\mathrm{4567}}^1$

素因数の和:5134

約数の個数: 24

約数和(自身を含む): 160583472

約数和(自身を除く): 79181264

約数列:

[1, 2, 4, 8, 16, 32, 557, 1114, 2228, 4456, 4567, 8912, 9134, 17824, 18268, 36536, 73072, 146144, 2543819, 5087638, 10175276, 20350552, 40701104, 81402208]

約数ペア:

[(1, 81402208), (2, 40701104), (4, 20350552), (8, 10175276), (16, 5087638), (32, 2543819), (557, 146144), (1114, 73072), (2228, 36536), (4456, 18268), (4567, 17824), (8912, 9134)]