2489776

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{2551}}^1$

素因数の和:2620

約数の個数: 20

約数和(自身を含む): 4904944

約数和(自身を除く): 2415168

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 2551, 5102, 10204, 20408, 40816, 155611, 311222, 622444, 1244888, 2489776]

約数ペア:

[(1, 2489776), (2, 1244888), (4, 622444), (8, 311222), (16, 155611), (61, 40816), (122, 20408), (244, 10204), (488, 5102), (976, 2551)]