131868438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1690621}}^1$

素因数の和:1690639

約数の個数: 16

約数和(自身を含む): 284024496

約数和(自身を除く): 152156058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1690621, 3381242, 5071863, 10143726, 21978073, 43956146, 65934219, 131868438]

約数ペア:

[(1, 131868438), (2, 65934219), (3, 43956146), (6, 21978073), (13, 10143726), (26, 5071863), (39, 3381242), (78, 1690621)]