91721728

素因数分解:

$2^{12}\times 7^2\times {\mathrm{457}}^1$

素因数の和:495

約数の個数: 78

約数和(自身を含む): 213834246

約数和(自身を除く): 122112518

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 457, 512, 784, 896, 914, 1024, 1568, 1792, 1828, 2048, 3136, 3199, 3584, 3656, 4096, 6272, 6398, 7168, 7312, 12544, 12796, 14336, 14624, 22393, 25088, 25592, 28672, 29248, 44786, 50176, 51184, 58496, 89572, 100352, 102368, 116992, 179144, 200704, 204736, 233984, 358288, 409472, 467968, 716576, 818944, 935936, 1433152, 1637888, 1871872, 2866304, 3275776, 5732608, 6551552, 11465216, 13103104, 22930432, 45860864, 91721728]

約数ペア:

[(1, 91721728), (2, 45860864), (4, 22930432), (7, 13103104), (8, 11465216), (14, 6551552), (16, 5732608), (28, 3275776), (32, 2866304), (49, 1871872), (56, 1637888), (64, 1433152), (98, 935936), (112, 818944), (128, 716576), (196, 467968), (224, 409472), (256, 358288), (392, 233984), (448, 204736), (457, 200704), (512, 179144), (784, 116992), (896, 102368), (914, 100352), (1024, 89572), (1568, 58496), (1792, 51184), (1828, 50176), (2048, 44786), (3136, 29248), (3199, 28672), (3584, 25592), (3656, 25088), (4096, 22393), (6272, 14624), (6398, 14336), (7168, 12796), (7312, 12544)]