68297216

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:393

約数の個数: 80

約数和(自身を含む): 152156928

約数和(自身を除く): 83859712

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 331, 403, 416, 496, 512, 662, 806, 832, 992, 1324, 1612, 1664, 1984, 2648, 3224, 3328, 3968, 4303, 5296, 6448, 6656, 7936, 8606, 10261, 10592, 12896, 15872, 17212, 20522, 21184, 25792, 34424, 41044, 42368, 51584, 68848, 82088, 84736, 103168, 133393, 137696, 164176, 169472, 206336, 266786, 275392, 328352, 533572, 550784, 656704, 1067144, 1101568, 1313408, 2134288, 2203136, 2626816, 4268576, 5253632, 8537152, 17074304, 34148608, 68297216]

約数ペア:

[(1, 68297216), (2, 34148608), (4, 17074304), (8, 8537152), (13, 5253632), (16, 4268576), (26, 2626816), (31, 2203136), (32, 2134288), (52, 1313408), (62, 1101568), (64, 1067144), (104, 656704), (124, 550784), (128, 533572), (208, 328352), (248, 275392), (256, 266786), (331, 206336), (403, 169472), (416, 164176), (496, 137696), (512, 133393), (662, 103168), (806, 84736), (832, 82088), (992, 68848), (1324, 51584), (1612, 42368), (1664, 41044), (1984, 34424), (2648, 25792), (3224, 21184), (3328, 20522), (3968, 17212), (4303, 15872), (5296, 12896), (6448, 10592), (6656, 10261), (7936, 8606)]