664978048

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10453}}^1$

素因数の和:10545

約数の個数: 64

約数和(自身を含む): 1535483520

約数和(自身を除く): 870505472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 448, 497, 568, 896, 994, 1136, 1988, 2272, 3976, 4544, 7952, 9088, 10453, 15904, 20906, 31808, 41812, 63616, 73171, 83624, 146342, 167248, 292684, 334496, 585368, 668992, 742163, 1170736, 1337984, 1484326, 2341472, 2968652, 4682944, 5195141, 5937304, 9365888, 10390282, 11874608, 20780564, 23749216, 41561128, 47498432, 83122256, 94996864, 166244512, 332489024, 664978048]

約数ペア:

[(1, 664978048), (2, 332489024), (4, 166244512), (7, 94996864), (8, 83122256), (14, 47498432), (16, 41561128), (28, 23749216), (32, 20780564), (56, 11874608), (64, 10390282), (71, 9365888), (112, 5937304), (128, 5195141), (142, 4682944), (224, 2968652), (284, 2341472), (448, 1484326), (497, 1337984), (568, 1170736), (896, 742163), (994, 668992), (1136, 585368), (1988, 334496), (2272, 292684), (3976, 167248), (4544, 146342), (7952, 83624), (9088, 73171), (10453, 63616), (15904, 41812), (20906, 31808)]