66747785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{9421}}^1$

素因数の和:9548

約数の個数: 16

約数和(自身を含む): 87059280

約数和(自身を除く): 20311495

約数列:

[1, 5, 13, 65, 109, 545, 1417, 7085, 9421, 47105, 122473, 612365, 1026889, 5134445, 13349557, 66747785]

約数ペア:

[(1, 66747785), (5, 13349557), (13, 5134445), (65, 1026889), (109, 612365), (545, 122473), (1417, 47105), (7085, 9421)]