79991998

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{1723}}^1$

素因数の和:2031

約数の個数: 16

約数和(自身を含む): 121645440

約数和(自身を除く): 41653442

約数列:

[1, 2, 139, 167, 278, 334, 1723, 3446, 23213, 46426, 239497, 287741, 478994, 575482, 39995999, 79991998]

約数ペア:

[(1, 79991998), (2, 39995999), (139, 575482), (167, 478994), (278, 287741), (334, 239497), (1723, 46426), (3446, 23213)]