211647856

素因数分解:

$2^4\times 7^2\times {\mathrm{499}}^1\times {\mathrm{541}}^1$

素因数の和:1062

約数の個数: 60

約数和(自身を含む): 478857000

約数和(自身を除く): 267209144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 499, 541, 784, 998, 1082, 1996, 2164, 3493, 3787, 3992, 4328, 6986, 7574, 7984, 8656, 13972, 15148, 24451, 26509, 27944, 30296, 48902, 53018, 55888, 60592, 97804, 106036, 195608, 212072, 269959, 391216, 424144, 539918, 1079836, 1889713, 2159672, 3779426, 4319344, 7558852, 13227991, 15117704, 26455982, 30235408, 52911964, 105823928, 211647856]

約数ペア:

[(1, 211647856), (2, 105823928), (4, 52911964), (7, 30235408), (8, 26455982), (14, 15117704), (16, 13227991), (28, 7558852), (49, 4319344), (56, 3779426), (98, 2159672), (112, 1889713), (196, 1079836), (392, 539918), (499, 424144), (541, 391216), (784, 269959), (998, 212072), (1082, 195608), (1996, 106036), (2164, 97804), (3493, 60592), (3787, 55888), (3992, 53018), (4328, 48902), (6986, 30296), (7574, 27944), (7984, 26509), (8656, 24451), (13972, 15148)]