81189668

素因数分解:

$2^2\times 7^2\times {\mathrm{401}}^1\times {\mathrm{1033}}^1$

素因数の和:1452

約数の個数: 36

約数和(自身を含む): 165851532

約数和(自身を除く): 84661864

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 401, 802, 1033, 1604, 2066, 2807, 4132, 5614, 7231, 11228, 14462, 19649, 28924, 39298, 50617, 78596, 101234, 202468, 414233, 828466, 1656932, 2899631, 5799262, 11598524, 20297417, 40594834, 81189668]

約数ペア:

[(1, 81189668), (2, 40594834), (4, 20297417), (7, 11598524), (14, 5799262), (28, 2899631), (49, 1656932), (98, 828466), (196, 414233), (401, 202468), (802, 101234), (1033, 78596), (1604, 50617), (2066, 39298), (2807, 28924), (4132, 19649), (5614, 14462), (7231, 11228)]