17123456

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 40392000

約数和(自身を除く): 23268544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 659, 812, 896, 928, 1318, 1624, 1856, 2636, 3248, 3712, 4613, 5272, 6496, 9226, 10544, 12992, 18452, 19111, 21088, 25984, 36904, 38222, 42176, 73808, 76444, 84352, 133777, 147616, 152888, 267554, 295232, 305776, 535108, 590464, 611552, 1070216, 1223104, 2140432, 2446208, 4280864, 8561728, 17123456]

約数ペア:

[(1, 17123456), (2, 8561728), (4, 4280864), (7, 2446208), (8, 2140432), (14, 1223104), (16, 1070216), (28, 611552), (29, 590464), (32, 535108), (56, 305776), (58, 295232), (64, 267554), (112, 152888), (116, 147616), (128, 133777), (203, 84352), (224, 76444), (232, 73808), (406, 42176), (448, 38222), (464, 36904), (659, 25984), (812, 21088), (896, 19111), (928, 18452), (1318, 12992), (1624, 10544), (1856, 9226), (2636, 6496), (3248, 5272), (3712, 4613)]