666781198

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{45181}}^1$

素因数の和:45387

約数の個数: 16

約数和(自身を含む): 1027980864

約数和(自身を除く): 361199666

約数列:

[1, 2, 47, 94, 157, 314, 7379, 14758, 45181, 90362, 2123507, 4247014, 7093417, 14186834, 333390599, 666781198]

約数ペア:

[(1, 666781198), (2, 333390599), (47, 14186834), (94, 7093417), (157, 4247014), (314, 2123507), (7379, 90362), (14758, 45181)]