1290638

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 16

約数和(自身を含む): 2008800

約数和(自身を除く): 718162

約数列:

[1, 2, 61, 71, 122, 142, 149, 298, 4331, 8662, 9089, 10579, 18178, 21158, 645319, 1290638]

約数ペア:

[(1, 1290638), (2, 645319), (61, 21158), (71, 18178), (122, 10579), (142, 9089), (149, 8662), (298, 4331)]