2661488

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{419}}^1$

素因数の和:824

約数の個数: 20

約数和(自身を含む): 5181960

約数和(自身を除く): 2520472

約数列:

[1, 2, 4, 8, 16, 397, 419, 794, 838, 1588, 1676, 3176, 3352, 6352, 6704, 166343, 332686, 665372, 1330744, 2661488]

約数ペア:

[(1, 2661488), (2, 1330744), (4, 665372), (8, 332686), (16, 166343), (397, 6704), (419, 6352), (794, 3352), (838, 3176), (1588, 1676)]