64986545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23251}}^1$

素因数の和:23312

約数の個数: 16

約数和(自身を含む): 85939392

約数和(自身を除く): 20952847

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 23251, 116255, 302263, 999793, 1511315, 4998965, 12997309, 64986545]

約数ペア:

[(1, 64986545), (5, 12997309), (13, 4998965), (43, 1511315), (65, 999793), (215, 302263), (559, 116255), (2795, 23251)]