505154975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1559}}^1$

素因数の和:2579

約数の個数: 24

約数和(自身を含む): 675685920

約数和(自身を除く): 170530945

約数列:

[1, 5, 13, 25, 65, 325, 997, 1559, 4985, 7795, 12961, 20267, 24925, 38975, 64805, 101335, 324025, 506675, 1554323, 7771615, 20206199, 38858075, 101030995, 505154975]

約数ペア:

[(1, 505154975), (5, 101030995), (13, 38858075), (25, 20206199), (65, 7771615), (325, 1554323), (997, 506675), (1559, 324025), (4985, 101335), (7795, 64805), (12961, 38975), (20267, 24925)]