123978018

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{261557}}^1$

素因数の和:261641

約数の個数: 16

約数和(自身を含む): 251095680

約数和(自身を除く): 127117662

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 261557, 523114, 784671, 1569342, 20663003, 41326006, 61989009, 123978018]

約数ペア:

[(1, 123978018), (2, 61989009), (3, 41326006), (6, 20663003), (79, 1569342), (158, 784671), (237, 523114), (474, 261557)]