31185612

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 83865600

約数和(自身を除く): 52679988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 127, 171, 228, 254, 342, 359, 381, 508, 684, 718, 762, 1077, 1143, 1436, 1524, 2154, 2286, 2413, 3231, 4308, 4572, 4826, 6462, 6821, 7239, 9652, 12924, 13642, 14478, 20463, 21717, 27284, 28956, 40926, 43434, 45593, 61389, 81852, 86868, 91186, 122778, 136779, 182372, 245556, 273558, 410337, 547116, 820674, 866267, 1641348, 1732534, 2598801, 3465068, 5197602, 7796403, 10395204, 15592806, 31185612]

約数ペア:

[(1, 31185612), (2, 15592806), (3, 10395204), (4, 7796403), (6, 5197602), (9, 3465068), (12, 2598801), (18, 1732534), (19, 1641348), (36, 866267), (38, 820674), (57, 547116), (76, 410337), (114, 273558), (127, 245556), (171, 182372), (228, 136779), (254, 122778), (342, 91186), (359, 86868), (381, 81852), (508, 61389), (684, 45593), (718, 43434), (762, 40926), (1077, 28956), (1143, 27284), (1436, 21717), (1524, 20463), (2154, 14478), (2286, 13642), (2413, 12924), (3231, 9652), (4308, 7239), (4572, 6821), (4826, 6462)]