68465887

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 84787200

約数和(自身を除く): 16321313

約数列:

[1, 7, 31, 47, 49, 137, 217, 329, 343, 959, 1457, 1519, 2303, 4247, 6439, 6713, 10199, 10633, 16121, 29729, 45073, 46991, 71393, 199609, 208103, 315511, 499751, 1397263, 1456721, 2208577, 9780841, 68465887]

約数ペア:

[(1, 68465887), (7, 9780841), (31, 2208577), (47, 1456721), (49, 1397263), (137, 499751), (217, 315511), (329, 208103), (343, 199609), (959, 71393), (1457, 46991), (1519, 45073), (2303, 29729), (4247, 16121), (6439, 10633), (6713, 10199)]