317602688

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 723824640

約数和(自身を除く): 406221952

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 47, 52, 62, 64, 94, 104, 124, 128, 131, 188, 208, 248, 262, 376, 403, 416, 496, 524, 611, 752, 806, 832, 992, 1048, 1222, 1457, 1504, 1612, 1664, 1703, 1984, 2096, 2444, 2914, 3008, 3224, 3406, 3968, 4061, 4192, 4888, 5828, 6016, 6157, 6448, 6812, 8122, 8384, 9776, 11656, 12314, 12896, 13624, 16244, 16768, 18941, 19552, 23312, 24628, 25792, 27248, 32488, 37882, 39104, 46624, 49256, 51584, 52793, 54496, 64976, 75764, 78208, 80041, 93248, 98512, 105586, 108992, 129952, 151528, 160082, 186496, 190867, 197024, 211172, 217984, 259904, 303056, 320164, 381734, 394048, 422344, 519808, 606112, 640328, 763468, 788096, 844688, 1212224, 1280656, 1526936, 1689376, 2424448, 2481271, 2561312, 3053872, 3378752, 4962542, 5122624, 6107744, 6757504, 9925084, 10245248, 12215488, 19850168, 24430976, 39700336, 79400672, 158801344, 317602688]

約数ペア:

[(1, 317602688), (2, 158801344), (4, 79400672), (8, 39700336), (13, 24430976), (16, 19850168), (26, 12215488), (31, 10245248), (32, 9925084), (47, 6757504), (52, 6107744), (62, 5122624), (64, 4962542), (94, 3378752), (104, 3053872), (124, 2561312), (128, 2481271), (131, 2424448), (188, 1689376), (208, 1526936), (248, 1280656), (262, 1212224), (376, 844688), (403, 788096), (416, 763468), (496, 640328), (524, 606112), (611, 519808), (752, 422344), (806, 394048), (832, 381734), (992, 320164), (1048, 303056), (1222, 259904), (1457, 217984), (1504, 211172), (1612, 197024), (1664, 190867), (1703, 186496), (1984, 160082), (2096, 151528), (2444, 129952), (2914, 108992), (3008, 105586), (3224, 98512), (3406, 93248), (3968, 80041), (4061, 78208), (4192, 75764), (4888, 64976), (5828, 54496), (6016, 52793), (6157, 51584), (6448, 49256), (6812, 46624), (8122, 39104), (8384, 37882), (9776, 32488), (11656, 27248), (12314, 25792), (12896, 24628), (13624, 23312), (16244, 19552), (16768, 18941)]