51721856

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 108062880

約数和(自身を除く): 56341024

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 67, 74, 128, 134, 148, 163, 268, 296, 326, 536, 592, 652, 1072, 1184, 1304, 2144, 2368, 2479, 2608, 4288, 4736, 4958, 5216, 6031, 8576, 9916, 10432, 10921, 12062, 19832, 20864, 21842, 24124, 39664, 43684, 48248, 79328, 87368, 96496, 158656, 174736, 192992, 317312, 349472, 385984, 404077, 698944, 771968, 808154, 1397888, 1616308, 3232616, 6465232, 12930464, 25860928, 51721856]

約数ペア:

[(1, 51721856), (2, 25860928), (4, 12930464), (8, 6465232), (16, 3232616), (32, 1616308), (37, 1397888), (64, 808154), (67, 771968), (74, 698944), (128, 404077), (134, 385984), (148, 349472), (163, 317312), (268, 192992), (296, 174736), (326, 158656), (536, 96496), (592, 87368), (652, 79328), (1072, 48248), (1184, 43684), (1304, 39664), (2144, 24124), (2368, 21842), (2479, 20864), (2608, 19832), (4288, 12062), (4736, 10921), (4958, 10432), (5216, 9916), (6031, 8576)]