66130688

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 146971776

約数和(自身を除く): 80841088

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 641, 806, 832, 992, 1282, 1612, 1664, 1984, 2564, 3224, 3328, 3968, 5128, 6448, 7936, 8333, 10256, 12896, 16666, 19871, 20512, 25792, 33332, 39742, 41024, 51584, 66664, 79484, 82048, 103168, 133328, 158968, 164096, 258323, 266656, 317936, 516646, 533312, 635872, 1033292, 1066624, 1271744, 2066584, 2133248, 2543488, 4133168, 5086976, 8266336, 16532672, 33065344, 66130688]

約数ペア:

[(1, 66130688), (2, 33065344), (4, 16532672), (8, 8266336), (13, 5086976), (16, 4133168), (26, 2543488), (31, 2133248), (32, 2066584), (52, 1271744), (62, 1066624), (64, 1033292), (104, 635872), (124, 533312), (128, 516646), (208, 317936), (248, 266656), (256, 258323), (403, 164096), (416, 158968), (496, 133328), (641, 103168), (806, 82048), (832, 79484), (992, 66664), (1282, 51584), (1612, 41024), (1664, 39742), (1984, 33332), (2564, 25792), (3224, 20512), (3328, 19871), (3968, 16666), (5128, 12896), (6448, 10256), (7936, 8333)]