81974812

素因数分解:

$2^2\times {\mathrm{1931}}^1\times {\mathrm{10613}}^1$

素因数の和:12548

約数の個数: 12

約数和(自身を含む): 143543736

約数和(自身を除く): 61568924

約数列:

[1, 2, 4, 1931, 3862, 7724, 10613, 21226, 42452, 20493703, 40987406, 81974812]

約数ペア:

[(1, 81974812), (2, 40987406), (4, 20493703), (1931, 42452), (3862, 21226), (7724, 10613)]