1291856

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:578

約数の個数: 20

約数和(自身を含む): 2520672

約数和(自身を除く): 1228816

約数列:

[1, 2, 4, 8, 16, 263, 307, 526, 614, 1052, 1228, 2104, 2456, 4208, 4912, 80741, 161482, 322964, 645928, 1291856]

約数ペア:

[(1, 1291856), (2, 645928), (4, 322964), (8, 161482), (16, 80741), (263, 4912), (307, 4208), (526, 2456), (614, 2104), (1052, 1228)]