56997025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 72477504

約数和(自身を除く): 15480479

約数列:

[1, 5, 25, 71, 163, 197, 355, 815, 985, 1775, 4075, 4925, 11573, 13987, 32111, 57865, 69935, 160555, 289325, 349675, 802775, 2279881, 11399405, 56997025]

約数ペア:

[(1, 56997025), (5, 11399405), (25, 2279881), (71, 802775), (163, 349675), (197, 289325), (355, 160555), (815, 69935), (985, 57865), (1775, 32111), (4075, 13987), (4925, 11573)]