258052912144

素因数分解:

$2^4\times {\mathrm{20287}}^1\times {\mathrm{795007}}^1$

素因数の和:815302

約数の個数: 20

約数和(自身を含む): 500002791424

約数和(自身を除く): 241949879280

約数列:

[1, 2, 4, 8, 16, 20287, 40574, 81148, 162296, 324592, 795007, 1590014, 3180028, 6360056, 12720112, 16128307009, 32256614018, 64513228036, 129026456072, 258052912144]

約数ペア:

[(1, 258052912144), (2, 129026456072), (4, 64513228036), (8, 32256614018), (16, 16128307009), (20287, 12720112), (40574, 6360056), (81148, 3180028), (162296, 1590014), (324592, 795007)]