217138208

素因数分解:

$2^5\times 7^3\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 507225600

約数和(自身を除く): 290087392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 73, 98, 112, 146, 196, 224, 271, 292, 343, 392, 511, 542, 584, 686, 784, 1022, 1084, 1168, 1372, 1568, 1897, 2044, 2168, 2336, 2744, 3577, 3794, 4088, 4336, 5488, 7154, 7588, 8176, 8672, 10976, 13279, 14308, 15176, 16352, 19783, 25039, 26558, 28616, 30352, 39566, 50078, 53116, 57232, 60704, 79132, 92953, 100156, 106232, 114464, 138481, 158264, 185906, 200312, 212464, 276962, 316528, 371812, 400624, 424928, 553924, 633056, 743624, 801248, 969367, 1107848, 1487248, 1938734, 2215696, 2974496, 3877468, 4431392, 6785569, 7754936, 13571138, 15509872, 27142276, 31019744, 54284552, 108569104, 217138208]

約数ペア:

[(1, 217138208), (2, 108569104), (4, 54284552), (7, 31019744), (8, 27142276), (14, 15509872), (16, 13571138), (28, 7754936), (32, 6785569), (49, 4431392), (56, 3877468), (73, 2974496), (98, 2215696), (112, 1938734), (146, 1487248), (196, 1107848), (224, 969367), (271, 801248), (292, 743624), (343, 633056), (392, 553924), (511, 424928), (542, 400624), (584, 371812), (686, 316528), (784, 276962), (1022, 212464), (1084, 200312), (1168, 185906), (1372, 158264), (1568, 138481), (1897, 114464), (2044, 106232), (2168, 100156), (2336, 92953), (2744, 79132), (3577, 60704), (3794, 57232), (4088, 53116), (4336, 50078), (5488, 39566), (7154, 30352), (7588, 28616), (8176, 26558), (8672, 25039), (10976, 19783), (13279, 16352), (14308, 15176)]