64412215

素因数分解:

$5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{929}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 90329040

約数和(自身を除く): 25916825

約数列:

[1, 5, 7, 35, 49, 245, 283, 929, 1415, 1981, 4645, 6503, 9905, 13867, 32515, 45521, 69335, 227605, 262907, 1314535, 1840349, 9201745, 12882443, 64412215]

約数ペア:

[(1, 64412215), (5, 12882443), (7, 9201745), (35, 1840349), (49, 1314535), (245, 262907), (283, 227605), (929, 69335), (1415, 45521), (1981, 32515), (4645, 13867), (6503, 9905)]