66639170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{512609}}^1$

素因数の和:512629

約数の個数: 16

約数和(自身を含む): 129177720

約数和(自身を除く): 62538550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 512609, 1025218, 2563045, 5126090, 6663917, 13327834, 33319585, 66639170]

約数ペア:

[(1, 66639170), (2, 33319585), (5, 13327834), (10, 6663917), (13, 5126090), (26, 2563045), (65, 1025218), (130, 512609)]