858481676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{20407}}^1$

素因数の和:21233

約数の個数: 24

約数和(自身を含む): 1619987040

約数和(自身を除く): 761505364

約数列:

[1, 2, 4, 13, 26, 52, 809, 1618, 3236, 10517, 20407, 21034, 40814, 42068, 81628, 265291, 530582, 1061164, 16509263, 33018526, 66037052, 214620419, 429240838, 858481676]

約数ペア:

[(1, 858481676), (2, 429240838), (4, 214620419), (13, 66037052), (26, 33018526), (52, 16509263), (809, 1061164), (1618, 530582), (3236, 265291), (10517, 81628), (20407, 42068), (21034, 40814)]