28881025

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 37122624

約数和(自身を除く): 8241599

約数列:

[1, 5, 25, 53, 71, 265, 307, 355, 1325, 1535, 1775, 3763, 7675, 16271, 18815, 21797, 81355, 94075, 108985, 406775, 544925, 1155241, 5776205, 28881025]

約数ペア:

[(1, 28881025), (5, 5776205), (25, 1155241), (53, 544925), (71, 406775), (265, 108985), (307, 94075), (355, 81355), (1325, 21797), (1535, 18815), (1775, 16271), (3763, 7675)]