1285751312

素因数分解:

$2^4\times {\mathrm{2789}}^1\times {\mathrm{28813}}^1$

素因数の和:31610

約数の個数: 20

約数和(自身を含む): 2492122860

約数和(自身を除く): 1206371548

約数列:

[1, 2, 4, 8, 16, 2789, 5578, 11156, 22312, 28813, 44624, 57626, 115252, 230504, 461008, 80359457, 160718914, 321437828, 642875656, 1285751312]

約数ペア:

[(1, 1285751312), (2, 642875656), (4, 321437828), (8, 160718914), (16, 80359457), (2789, 461008), (5578, 230504), (11156, 115252), (22312, 57626), (28813, 44624)]