398942432

素因数分解:

$2^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{15761}}^1$

素因数の和:15891

約数の個数: 48

約数和(自身を含む): 905621472

約数和(自身を除く): 506679040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 113, 224, 226, 452, 791, 904, 1582, 1808, 3164, 3616, 6328, 12656, 15761, 25312, 31522, 63044, 110327, 126088, 220654, 252176, 441308, 504352, 882616, 1765232, 1780993, 3530464, 3561986, 7123972, 12466951, 14247944, 24933902, 28495888, 49867804, 56991776, 99735608, 199471216, 398942432]

約数ペア:

[(1, 398942432), (2, 199471216), (4, 99735608), (7, 56991776), (8, 49867804), (14, 28495888), (16, 24933902), (28, 14247944), (32, 12466951), (56, 7123972), (112, 3561986), (113, 3530464), (224, 1780993), (226, 1765232), (452, 882616), (791, 504352), (904, 441308), (1582, 252176), (1808, 220654), (3164, 126088), (3616, 110327), (6328, 63044), (12656, 31522), (15761, 25312)]