208020142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 375072768

約数和(自身を除く): 167052626

約数列:

[1, 2, 11, 22, 23, 37, 41, 46, 74, 82, 253, 271, 407, 451, 506, 542, 814, 851, 902, 943, 1517, 1702, 1886, 2981, 3034, 5962, 6233, 9361, 10027, 10373, 11111, 12466, 16687, 18722, 20054, 20746, 22222, 33374, 34891, 68563, 69782, 110297, 122221, 137126, 220594, 230621, 244442, 255553, 383801, 411107, 461242, 511106, 767602, 822214, 2536831, 2811083, 4522177, 5073662, 5622166, 9044354, 9455461, 18910922, 104010071, 208020142]

約数ペア:

[(1, 208020142), (2, 104010071), (11, 18910922), (22, 9455461), (23, 9044354), (37, 5622166), (41, 5073662), (46, 4522177), (74, 2811083), (82, 2536831), (253, 822214), (271, 767602), (407, 511106), (451, 461242), (506, 411107), (542, 383801), (814, 255553), (851, 244442), (902, 230621), (943, 220594), (1517, 137126), (1702, 122221), (1886, 110297), (2981, 69782), (3034, 68563), (5962, 34891), (6233, 33374), (9361, 22222), (10027, 20746), (10373, 20054), (11111, 18722), (12466, 16687)]