31890010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102871}}^1$

素因数の和:102909

約数の個数: 16

約数和(自身を含む): 59254272

約数和(自身を除く): 27364262

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 102871, 205742, 514355, 1028710, 3189001, 6378002, 15945005, 31890010]

約数ペア:

[(1, 31890010), (2, 15945005), (5, 6378002), (10, 3189001), (31, 1028710), (62, 514355), (155, 205742), (310, 102871)]