163855216

素因数分解:

$2^4\times 7^3\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:511

約数の個数: 80

約数和(自身を含む): 376216000

約数和(自身を除く): 212360784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 73, 98, 112, 146, 196, 292, 343, 392, 409, 511, 584, 686, 784, 818, 1022, 1168, 1372, 1636, 2044, 2744, 2863, 3272, 3577, 4088, 5488, 5726, 6544, 7154, 8176, 11452, 14308, 20041, 22904, 25039, 28616, 29857, 40082, 45808, 50078, 57232, 59714, 80164, 100156, 119428, 140287, 160328, 200312, 208999, 238856, 280574, 320656, 400624, 417998, 477712, 561148, 835996, 1122296, 1462993, 1671992, 2244592, 2925986, 3343984, 5851972, 10240951, 11703944, 20481902, 23407888, 40963804, 81927608, 163855216]

約数ペア:

[(1, 163855216), (2, 81927608), (4, 40963804), (7, 23407888), (8, 20481902), (14, 11703944), (16, 10240951), (28, 5851972), (49, 3343984), (56, 2925986), (73, 2244592), (98, 1671992), (112, 1462993), (146, 1122296), (196, 835996), (292, 561148), (343, 477712), (392, 417998), (409, 400624), (511, 320656), (584, 280574), (686, 238856), (784, 208999), (818, 200312), (1022, 160328), (1168, 140287), (1372, 119428), (1636, 100156), (2044, 80164), (2744, 59714), (2863, 57232), (3272, 50078), (3577, 45808), (4088, 40082), (5488, 29857), (5726, 28616), (6544, 25039), (7154, 22904), (8176, 20041), (11452, 14308)]