31696144

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{1999}}^1$

素因数の和:2998

約数の個数: 20

約数和(自身を含む): 61504000

約数和(自身を除く): 29807856

約数列:

[1, 2, 4, 8, 16, 991, 1982, 1999, 3964, 3998, 7928, 7996, 15856, 15992, 31984, 1981009, 3962018, 7924036, 15848072, 31696144]

約数ペア:

[(1, 31696144), (2, 15848072), (4, 7924036), (8, 3962018), (16, 1981009), (991, 31984), (1982, 15992), (1999, 15856), (3964, 7996), (3998, 7928)]