66558704

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{2081}}^1$

素因数の和:4088

約数の個数: 20

約数和(自身を含む): 129084000

約数和(自身を除く): 62525296

約数列:

[1, 2, 4, 8, 16, 1999, 2081, 3998, 4162, 7996, 8324, 15992, 16648, 31984, 33296, 4159919, 8319838, 16639676, 33279352, 66558704]

約数ペア:

[(1, 66558704), (2, 33279352), (4, 16639676), (8, 8319838), (16, 4159919), (1999, 33296), (2081, 31984), (3998, 16648), (4162, 15992), (7996, 8324)]