221193258

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3631}}^1$

素因数の和:3731

約数の個数: 64

約数和(自身を含む): 527192064

約数和(自身を除く): 305998806

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 71, 78, 142, 143, 213, 286, 426, 429, 781, 858, 923, 1562, 1846, 2343, 2769, 3631, 4686, 5538, 7262, 10153, 10893, 20306, 21786, 30459, 39941, 47203, 60918, 79882, 94406, 119823, 141609, 239646, 257801, 283218, 515602, 519233, 773403, 1038466, 1546806, 1557699, 2835811, 3115398, 3351413, 5671622, 6702826, 8507433, 10054239, 17014866, 20108478, 36865543, 73731086, 110596629, 221193258]

約数ペア:

[(1, 221193258), (2, 110596629), (3, 73731086), (6, 36865543), (11, 20108478), (13, 17014866), (22, 10054239), (26, 8507433), (33, 6702826), (39, 5671622), (66, 3351413), (71, 3115398), (78, 2835811), (142, 1557699), (143, 1546806), (213, 1038466), (286, 773403), (426, 519233), (429, 515602), (781, 283218), (858, 257801), (923, 239646), (1562, 141609), (1846, 119823), (2343, 94406), (2769, 79882), (3631, 60918), (4686, 47203), (5538, 39941), (7262, 30459), (10153, 21786), (10893, 20306)]