64961605

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{4139}}^1$

素因数の和:4260

約数の個数: 16

約数和(自身を含む): 80879040

約数和(自身を除く): 15917435

約数列:

[1, 5, 43, 73, 215, 365, 3139, 4139, 15695, 20695, 177977, 302147, 889885, 1510735, 12992321, 64961605]

約数ペア:

[(1, 64961605), (5, 12992321), (43, 1510735), (73, 889885), (215, 302147), (365, 177977), (3139, 20695), (4139, 15695)]