81651388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{224317}}^1$

素因数の和:224341

約数の個数: 24

約数和(自身を含む): 175865312

約数和(自身を除く): 94213924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 224317, 448634, 897268, 1570219, 2916121, 3140438, 5832242, 6280876, 11664484, 20412847, 40825694, 81651388]

約数ペア:

[(1, 81651388), (2, 40825694), (4, 20412847), (7, 11664484), (13, 6280876), (14, 5832242), (26, 3140438), (28, 2916121), (52, 1570219), (91, 897268), (182, 448634), (364, 224317)]