71981842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{111427}}^1$

素因数の和:111465

約数の個数: 16

約数和(自身を含む): 120342240

約数和(自身を除く): 48360398

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 111427, 222854, 1894259, 2117113, 3788518, 4234226, 35990921, 71981842]

約数ペア:

[(1, 71981842), (2, 35990921), (17, 4234226), (19, 3788518), (34, 2117113), (38, 1894259), (323, 222854), (646, 111427)]