68989564

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{34703}}^1$

素因数の和:34785

約数の個数: 24

約数和(自身を含む): 139926528

約数和(自身を除く): 70936964

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 34703, 69406, 138812, 242921, 485842, 971684, 2463913, 4927826, 9855652, 17247391, 34494782, 68989564]

約数ペア:

[(1, 68989564), (2, 34494782), (4, 17247391), (7, 9855652), (14, 4927826), (28, 2463913), (71, 971684), (142, 485842), (284, 242921), (497, 138812), (994, 69406), (1988, 34703)]