13218425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 18159552

約数和(自身を除く): 4941127

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 677, 781, 1775, 3385, 3905, 7447, 16925, 19525, 37235, 48067, 186175, 240335, 528737, 1201675, 2643685, 13218425]

約数ペア:

[(1, 13218425), (5, 2643685), (11, 1201675), (25, 528737), (55, 240335), (71, 186175), (275, 48067), (355, 37235), (677, 19525), (781, 16925), (1775, 7447), (3385, 3905)]