12978049232

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{2642111}}^1$

素因数の和:2642426

約数の個数: 20

約数和(自身を含む): 25226885376

約数和(自身を除く): 12248836144

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 2642111, 5284222, 10568444, 21136888, 42273776, 811128077, 1622256154, 3244512308, 6489024616, 12978049232]

約数ペア:

[(1, 12978049232), (2, 6489024616), (4, 3244512308), (8, 1622256154), (16, 811128077), (307, 42273776), (614, 21136888), (1228, 10568444), (2456, 5284222), (4912, 2642111)]