86691388

素因数分解:

$2^2\times 7^2\times {\mathrm{401}}^1\times {\mathrm{1103}}^1$

素因数の和:1522

約数の個数: 36

約数和(自身を含む): 177079392

約数和(自身を除く): 90388004

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 401, 802, 1103, 1604, 2206, 2807, 4412, 5614, 7721, 11228, 15442, 19649, 30884, 39298, 54047, 78596, 108094, 216188, 442303, 884606, 1769212, 3096121, 6192242, 12384484, 21672847, 43345694, 86691388]

約数ペア:

[(1, 86691388), (2, 43345694), (4, 21672847), (7, 12384484), (14, 6192242), (28, 3096121), (49, 1769212), (98, 884606), (196, 442303), (401, 216188), (802, 108094), (1103, 78596), (1604, 54047), (2206, 39298), (2807, 30884), (4412, 19649), (5614, 15442), (7721, 11228)]