391683712

素因数分解:

$2^7\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 930631680

約数和(自身を除く): 538947968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 71, 94, 112, 128, 131, 142, 188, 224, 262, 284, 329, 376, 448, 497, 524, 568, 658, 752, 896, 917, 994, 1048, 1136, 1316, 1504, 1834, 1988, 2096, 2272, 2632, 3008, 3337, 3668, 3976, 4192, 4544, 5264, 6016, 6157, 6674, 7336, 7952, 8384, 9088, 9301, 10528, 12314, 13348, 14672, 15904, 16768, 18602, 21056, 23359, 24628, 26696, 29344, 31808, 37204, 42112, 43099, 46718, 49256, 53392, 58688, 63616, 65107, 74408, 86198, 93436, 98512, 106784, 117376, 130214, 148816, 172396, 186872, 197024, 213568, 260428, 297632, 344792, 373744, 394048, 427136, 437147, 520856, 595264, 689584, 747488, 788096, 874294, 1041712, 1190528, 1379168, 1494976, 1748588, 2083424, 2758336, 2989952, 3060029, 3497176, 4166848, 5516672, 6120058, 6994352, 8333696, 12240116, 13988704, 24480232, 27977408, 48960464, 55954816, 97920928, 195841856, 391683712]

約数ペア:

[(1, 391683712), (2, 195841856), (4, 97920928), (7, 55954816), (8, 48960464), (14, 27977408), (16, 24480232), (28, 13988704), (32, 12240116), (47, 8333696), (56, 6994352), (64, 6120058), (71, 5516672), (94, 4166848), (112, 3497176), (128, 3060029), (131, 2989952), (142, 2758336), (188, 2083424), (224, 1748588), (262, 1494976), (284, 1379168), (329, 1190528), (376, 1041712), (448, 874294), (497, 788096), (524, 747488), (568, 689584), (658, 595264), (752, 520856), (896, 437147), (917, 427136), (994, 394048), (1048, 373744), (1136, 344792), (1316, 297632), (1504, 260428), (1834, 213568), (1988, 197024), (2096, 186872), (2272, 172396), (2632, 148816), (3008, 130214), (3337, 117376), (3668, 106784), (3976, 98512), (4192, 93436), (4544, 86198), (5264, 74408), (6016, 65107), (6157, 63616), (6674, 58688), (7336, 53392), (7952, 49256), (8384, 46718), (9088, 43099), (9301, 42112), (10528, 37204), (12314, 31808), (13348, 29344), (14672, 26696), (15904, 24628), (16768, 23359), (18602, 21056)]