81981862

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1\times {\mathrm{1249}}^1$

素因数の和:2175

約数の個数: 16

約数和(自身を含む): 126540000

約数和(自身を除く): 44558138

約数列:

[1, 2, 37, 74, 887, 1249, 1774, 2498, 32819, 46213, 65638, 92426, 1107863, 2215726, 40990931, 81981862]

約数ペア:

[(1, 81981862), (2, 40990931), (37, 2215726), (74, 1107863), (887, 92426), (1249, 65638), (1774, 46213), (2498, 32819)]