1269883984

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{570991}}^1$

素因数の和:571138

約数の個数: 20

約数和(自身を含む): 2478105280

約数和(自身を除く): 1208221296

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 570991, 1141982, 2283964, 4567928, 9135856, 79367749, 158735498, 317470996, 634941992, 1269883984]

約数ペア:

[(1, 1269883984), (2, 634941992), (4, 317470996), (8, 158735498), (16, 79367749), (139, 9135856), (278, 4567928), (556, 2283964), (1112, 1141982), (2224, 570991)]