217979244

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 652288000

約数和(自身を除く): 434308756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 127, 139, 147, 196, 252, 254, 278, 294, 343, 381, 417, 441, 508, 556, 588, 686, 762, 834, 882, 889, 973, 1029, 1143, 1251, 1372, 1524, 1668, 1764, 1778, 1946, 2058, 2286, 2502, 2667, 2919, 3087, 3556, 3892, 4116, 4572, 5004, 5334, 5838, 6174, 6223, 6811, 8001, 8757, 10668, 11676, 12348, 12446, 13622, 16002, 17514, 17653, 18669, 20433, 24892, 27244, 32004, 35028, 35306, 37338, 40866, 43561, 47677, 52959, 56007, 61299, 70612, 74676, 81732, 87122, 95354, 105918, 112014, 122598, 123571, 130683, 143031, 158877, 174244, 190708, 211836, 224028, 245196, 247142, 261366, 286062, 317754, 370713, 392049, 429093, 494284, 522732, 572124, 635508, 741426, 784098, 858186, 864997, 1112139, 1482852, 1568196, 1716372, 1729994, 2224278, 2594991, 3459988, 4448556, 5189982, 6054979, 7784973, 10379964, 12109958, 15569946, 18164937, 24219916, 31139892, 36329874, 54494811, 72659748, 108989622, 217979244]

約数ペア:

[(1, 217979244), (2, 108989622), (3, 72659748), (4, 54494811), (6, 36329874), (7, 31139892), (9, 24219916), (12, 18164937), (14, 15569946), (18, 12109958), (21, 10379964), (28, 7784973), (36, 6054979), (42, 5189982), (49, 4448556), (63, 3459988), (84, 2594991), (98, 2224278), (126, 1729994), (127, 1716372), (139, 1568196), (147, 1482852), (196, 1112139), (252, 864997), (254, 858186), (278, 784098), (294, 741426), (343, 635508), (381, 572124), (417, 522732), (441, 494284), (508, 429093), (556, 392049), (588, 370713), (686, 317754), (762, 286062), (834, 261366), (882, 247142), (889, 245196), (973, 224028), (1029, 211836), (1143, 190708), (1251, 174244), (1372, 158877), (1524, 143031), (1668, 130683), (1764, 123571), (1778, 122598), (1946, 112014), (2058, 105918), (2286, 95354), (2502, 87122), (2667, 81732), (2919, 74676), (3087, 70612), (3556, 61299), (3892, 56007), (4116, 52959), (4572, 47677), (5004, 43561), (5334, 40866), (5838, 37338), (6174, 35306), (6223, 35028), (6811, 32004), (8001, 27244), (8757, 24892), (10668, 20433), (11676, 18669), (12348, 17653), (12446, 17514), (13622, 16002)]