664283648

素因数分解:

$2^9\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2539}}^1$

素因数の和:2637

約数の個数: 80

約数和(自身を含む): 1538264640

約数和(自身を除く): 873980992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 256, 292, 448, 511, 512, 584, 896, 1022, 1168, 1792, 2044, 2336, 2539, 3584, 4088, 4672, 5078, 8176, 9344, 10156, 16352, 17773, 18688, 20312, 32704, 35546, 37376, 40624, 65408, 71092, 81248, 130816, 142184, 162496, 185347, 261632, 284368, 324992, 370694, 568736, 649984, 741388, 1137472, 1297429, 1299968, 1482776, 2274944, 2594858, 2965552, 4549888, 5189716, 5931104, 9099776, 10379432, 11862208, 20758864, 23724416, 41517728, 47448832, 83035456, 94897664, 166070912, 332141824, 664283648]

約数ペア:

[(1, 664283648), (2, 332141824), (4, 166070912), (7, 94897664), (8, 83035456), (14, 47448832), (16, 41517728), (28, 23724416), (32, 20758864), (56, 11862208), (64, 10379432), (73, 9099776), (112, 5931104), (128, 5189716), (146, 4549888), (224, 2965552), (256, 2594858), (292, 2274944), (448, 1482776), (511, 1299968), (512, 1297429), (584, 1137472), (896, 741388), (1022, 649984), (1168, 568736), (1792, 370694), (2044, 324992), (2336, 284368), (2539, 261632), (3584, 185347), (4088, 162496), (4672, 142184), (5078, 130816), (8176, 81248), (9344, 71092), (10156, 65408), (16352, 40624), (17773, 37376), (18688, 35546), (20312, 32704)]