266042413

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{417649}}^1$

素因数の和:417676

約数の個数: 12

約数和(自身を含む): 333284700

約数和(自身を除く): 67242287

約数列:

[1, 7, 13, 49, 91, 637, 417649, 2923543, 5429437, 20464801, 38006059, 266042413]

約数ペア:

[(1, 266042413), (7, 38006059), (13, 20464801), (49, 5429437), (91, 2923543), (637, 417649)]