39431984

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{27691}}^1$

素因数の和:27788

約数の個数: 20

約数和(自身を含む): 77260680

約数和(自身を除く): 37828696

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 27691, 55382, 110764, 221528, 443056, 2464499, 4928998, 9857996, 19715992, 39431984]

約数ペア:

[(1, 39431984), (2, 19715992), (4, 9857996), (8, 4928998), (16, 2464499), (89, 443056), (178, 221528), (356, 110764), (712, 55382), (1424, 27691)]