1247984638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{556639}}^1$

素因数の和:556719

約数の個数: 16

約数和(自身を含む): 2003904000

約数和(自身を除く): 755919362

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 556639, 1113278, 10576141, 21152282, 32841701, 65683402, 623992319, 1247984638]

約数ペア:

[(1, 1247984638), (2, 623992319), (19, 65683402), (38, 32841701), (59, 21152282), (118, 10576141), (1121, 1113278), (2242, 556639)]