1280938434

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{1309753}}^1$

素因数の和:1309921

約数の個数: 16

約数和(自身を含む): 2577595872

約数和(自身を除く): 1296657438

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 1309753, 2619506, 3929259, 7858518, 213489739, 426979478, 640469217, 1280938434]

約数ペア:

[(1, 1280938434), (2, 640469217), (3, 426979478), (6, 213489739), (163, 7858518), (326, 3929259), (489, 2619506), (978, 1309753)]