213680768

素因数分解:

$2^7\times 7^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 515712000

約数和(自身を除く): 302031232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 157, 196, 217, 224, 248, 314, 343, 392, 434, 448, 496, 628, 686, 784, 868, 896, 992, 1099, 1256, 1372, 1519, 1568, 1736, 1984, 2198, 2512, 2744, 3038, 3136, 3472, 3968, 4396, 4867, 5024, 5488, 6076, 6272, 6944, 7693, 8792, 9734, 10048, 10633, 10976, 12152, 13888, 15386, 17584, 19468, 20096, 21266, 21952, 24304, 27776, 30772, 34069, 35168, 38936, 42532, 43904, 48608, 53851, 61544, 68138, 70336, 77872, 85064, 97216, 107702, 123088, 136276, 140672, 155744, 170128, 194432, 215404, 238483, 246176, 272552, 311488, 340256, 430808, 476966, 492352, 545104, 622976, 680512, 861616, 953932, 984704, 1090208, 1361024, 1669381, 1723232, 1907864, 2180416, 3338762, 3446464, 3815728, 4360832, 6677524, 6892928, 7631456, 13355048, 15262912, 26710096, 30525824, 53420192, 106840384, 213680768]

約数ペア:

[(1, 213680768), (2, 106840384), (4, 53420192), (7, 30525824), (8, 26710096), (14, 15262912), (16, 13355048), (28, 7631456), (31, 6892928), (32, 6677524), (49, 4360832), (56, 3815728), (62, 3446464), (64, 3338762), (98, 2180416), (112, 1907864), (124, 1723232), (128, 1669381), (157, 1361024), (196, 1090208), (217, 984704), (224, 953932), (248, 861616), (314, 680512), (343, 622976), (392, 545104), (434, 492352), (448, 476966), (496, 430808), (628, 340256), (686, 311488), (784, 272552), (868, 246176), (896, 238483), (992, 215404), (1099, 194432), (1256, 170128), (1372, 155744), (1519, 140672), (1568, 136276), (1736, 123088), (1984, 107702), (2198, 97216), (2512, 85064), (2744, 77872), (3038, 70336), (3136, 68138), (3472, 61544), (3968, 53851), (4396, 48608), (4867, 43904), (5024, 42532), (5488, 38936), (6076, 35168), (6272, 34069), (6944, 30772), (7693, 27776), (8792, 24304), (9734, 21952), (10048, 21266), (10633, 20096), (10976, 19468), (12152, 17584), (13888, 15386)]