1998438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{25621}}^1$

素因数の和:25639

約数の個数: 16

約数和(自身を含む): 4304496

約数和(自身を除く): 2306058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 25621, 51242, 76863, 153726, 333073, 666146, 999219, 1998438]

約数ペア:

[(1, 1998438), (2, 999219), (3, 666146), (6, 333073), (13, 153726), (26, 76863), (39, 51242), (78, 25621)]