643306496

素因数分解:

$2^{10}\times 7^2\times {\mathrm{12821}}^1$

素因数の和:12855

約数の個数: 66

約数和(自身を含む): 1496058138

約数和(自身を除く): 852751642

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 3136, 3584, 6272, 7168, 12544, 12821, 25088, 25642, 50176, 51284, 89747, 102568, 179494, 205136, 358988, 410272, 628229, 717976, 820544, 1256458, 1435952, 1641088, 2512916, 2871904, 3282176, 5025832, 5743808, 6564352, 10051664, 11487616, 13128704, 20103328, 22975232, 40206656, 45950464, 80413312, 91900928, 160826624, 321653248, 643306496]

約数ペア:

[(1, 643306496), (2, 321653248), (4, 160826624), (7, 91900928), (8, 80413312), (14, 45950464), (16, 40206656), (28, 22975232), (32, 20103328), (49, 13128704), (56, 11487616), (64, 10051664), (98, 6564352), (112, 5743808), (128, 5025832), (196, 3282176), (224, 2871904), (256, 2512916), (392, 1641088), (448, 1435952), (512, 1256458), (784, 820544), (896, 717976), (1024, 628229), (1568, 410272), (1792, 358988), (3136, 205136), (3584, 179494), (6272, 102568), (7168, 89747), (12544, 51284), (12821, 50176), (25088, 25642)]