31293818

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{7109}}^1$

素因数の和:7213

約数の個数: 16

約数和(自身を含む): 49144320

約数和(自身を除く): 17850502

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 7109, 14218, 220379, 440758, 504739, 1009478, 15646909, 31293818]

約数ペア:

[(1, 31293818), (2, 15646909), (31, 1009478), (62, 504739), (71, 440758), (142, 220379), (2201, 14218), (4402, 7109)]