31380688

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{22037}}^1$

素因数の和:22134

約数の個数: 20

約数和(自身を含む): 61486020

約数和(自身を除く): 30105332

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 22037, 44074, 88148, 176296, 352592, 1961293, 3922586, 7845172, 15690344, 31380688]

約数ペア:

[(1, 31380688), (2, 15690344), (4, 7845172), (8, 3922586), (16, 1961293), (89, 352592), (178, 176296), (356, 88148), (712, 44074), (1424, 22037)]