261019075

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{479}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 329978880

約数和(自身を除く): 68959805

約数列:

[1, 5, 25, 71, 307, 355, 479, 1535, 1775, 2395, 7675, 11975, 21797, 34009, 108985, 147053, 170045, 544925, 735265, 850225, 3676325, 10440763, 52203815, 261019075]

約数ペア:

[(1, 261019075), (5, 52203815), (25, 10440763), (71, 3676325), (307, 850225), (355, 735265), (479, 544925), (1535, 170045), (1775, 147053), (2395, 108985), (7675, 34009), (11975, 21797)]