25781528

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2297}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 51291360

約数和(自身を除く): 25509832

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 2297, 2806, 4594, 5612, 9188, 11224, 18376, 52831, 105662, 140117, 211324, 280234, 422648, 560468, 1120936, 3222691, 6445382, 12890764, 25781528]

約数ペア:

[(1, 25781528), (2, 12890764), (4, 6445382), (8, 3222691), (23, 1120936), (46, 560468), (61, 422648), (92, 280234), (122, 211324), (184, 140117), (244, 105662), (488, 52831), (1403, 18376), (2297, 11224), (2806, 9188), (4594, 5612)]