64616390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{91009}}^1$

素因数の和:91087

約数の個数: 16

約数和(自身を含む): 117948960

約数和(自身を除く): 53332570

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 91009, 182018, 455045, 910090, 6461639, 12923278, 32308195, 64616390]

約数ペア:

[(1, 64616390), (2, 32308195), (5, 12923278), (10, 6461639), (71, 910090), (142, 455045), (355, 182018), (710, 91009)]