181782016

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:943

約数の個数: 80

約数和(自身を含む): 404224128

約数和(自身を除く): 222442112

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 881, 992, 1612, 1664, 1762, 1984, 3224, 3328, 3524, 3968, 6448, 6656, 7048, 7936, 11453, 12896, 14096, 15872, 22906, 25792, 27311, 28192, 45812, 51584, 54622, 56384, 91624, 103168, 109244, 112768, 183248, 206336, 218488, 225536, 355043, 366496, 436976, 451072, 710086, 732992, 873952, 1420172, 1465984, 1747904, 2840344, 2931968, 3495808, 5680688, 5863936, 6991616, 11361376, 13983232, 22722752, 45445504, 90891008, 181782016]

約数ペア:

[(1, 181782016), (2, 90891008), (4, 45445504), (8, 22722752), (13, 13983232), (16, 11361376), (26, 6991616), (31, 5863936), (32, 5680688), (52, 3495808), (62, 2931968), (64, 2840344), (104, 1747904), (124, 1465984), (128, 1420172), (208, 873952), (248, 732992), (256, 710086), (403, 451072), (416, 436976), (496, 366496), (512, 355043), (806, 225536), (832, 218488), (881, 206336), (992, 183248), (1612, 112768), (1664, 109244), (1762, 103168), (1984, 91624), (3224, 56384), (3328, 54622), (3524, 51584), (3968, 45812), (6448, 28192), (6656, 27311), (7048, 25792), (7936, 22906), (11453, 15872), (12896, 14096)]