263940014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{327469}}^1$

素因数の和:327515

約数の個数: 16

約数和(自身を含む): 440119680

約数和(自身を除く): 176179666

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 327469, 654938, 4257097, 8514194, 10151539, 20303078, 131970007, 263940014]

約数ペア:

[(1, 263940014), (2, 131970007), (13, 20303078), (26, 10151539), (31, 8514194), (62, 4257097), (403, 654938), (806, 327469)]