221497666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{274811}}^1$

素因数の和:274857

約数の個数: 16

約数和(自身を含む): 369347328

約数和(自身を除く): 147849662

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 274811, 549622, 3572543, 7145086, 8519141, 17038282, 110748833, 221497666]

約数ペア:

[(1, 221497666), (2, 110748833), (13, 17038282), (26, 8519141), (31, 7145086), (62, 3572543), (403, 549622), (806, 274811)]