81535938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 184712832

約数和(自身を除く): 103176894

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 173, 193, 222, 346, 386, 407, 519, 579, 814, 1038, 1158, 1221, 1903, 2123, 2442, 3806, 4246, 5709, 6369, 6401, 7141, 11418, 12738, 12802, 14282, 19203, 21423, 33389, 38406, 42846, 66778, 70411, 78551, 100167, 140822, 157102, 200334, 211233, 235653, 367279, 422466, 471306, 734558, 1101837, 1235393, 2203674, 2470786, 3706179, 7412358, 13589323, 27178646, 40767969, 81535938]

約数ペア:

[(1, 81535938), (2, 40767969), (3, 27178646), (6, 13589323), (11, 7412358), (22, 3706179), (33, 2470786), (37, 2203674), (66, 1235393), (74, 1101837), (111, 734558), (173, 471306), (193, 422466), (222, 367279), (346, 235653), (386, 211233), (407, 200334), (519, 157102), (579, 140822), (814, 100167), (1038, 78551), (1158, 70411), (1221, 66778), (1903, 42846), (2123, 38406), (2442, 33389), (3806, 21423), (4246, 19203), (5709, 14282), (6369, 12802), (6401, 12738), (7141, 11418)]