81311824

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 180792000

約数和(自身を除く): 99480176

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 89, 116, 176, 178, 179, 232, 319, 356, 358, 464, 638, 712, 716, 979, 1276, 1424, 1432, 1958, 1969, 2552, 2581, 2864, 3916, 3938, 5104, 5162, 5191, 7832, 7876, 10324, 10382, 15664, 15752, 15931, 20648, 20764, 28391, 31504, 31862, 41296, 41528, 56782, 57101, 63724, 83056, 113564, 114202, 127448, 175241, 227128, 228404, 254896, 350482, 454256, 456808, 461999, 700964, 913616, 923998, 1401928, 1847996, 2803856, 3695992, 5081989, 7391984, 10163978, 20327956, 40655912, 81311824]

約数ペア:

[(1, 81311824), (2, 40655912), (4, 20327956), (8, 10163978), (11, 7391984), (16, 5081989), (22, 3695992), (29, 2803856), (44, 1847996), (58, 1401928), (88, 923998), (89, 913616), (116, 700964), (176, 461999), (178, 456808), (179, 454256), (232, 350482), (319, 254896), (356, 228404), (358, 227128), (464, 175241), (638, 127448), (712, 114202), (716, 113564), (979, 83056), (1276, 63724), (1424, 57101), (1432, 56782), (1958, 41528), (1969, 41296), (2552, 31862), (2581, 31504), (2864, 28391), (3916, 20764), (3938, 20648), (5104, 15931), (5162, 15752), (5191, 15664), (7832, 10382), (7876, 10324)]