64488985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{5557}}^1$

素因数の和:5784

約数の個数: 16

約数和(自身を含む): 84837312

約数和(自身を除く): 20348327

約数列:

[1, 5, 11, 55, 211, 1055, 2321, 5557, 11605, 27785, 61127, 305635, 1172527, 5862635, 12897797, 64488985]

約数ペア:

[(1, 64488985), (5, 12897797), (11, 5862635), (55, 1172527), (211, 305635), (1055, 61127), (2321, 27785), (5557, 11605)]