64605385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{13999}}^1$

素因数の和:14088

約数の個数: 16

約数和(自身を含む): 84672000

約数和(自身を除く): 20066615

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 13999, 69995, 181987, 909935, 993929, 4969645, 12921077, 64605385]

約数ペア:

[(1, 64605385), (5, 12921077), (13, 4969645), (65, 993929), (71, 909935), (355, 181987), (923, 69995), (4615, 13999)]