277128216

素因数分解:

$2^3\times 3^4\times {\mathrm{647}}^1\times {\mathrm{661}}^1$

素因数の和:1326

約数の個数: 80

約数和(自身を含む): 778591440

約数和(自身を除く): 501463224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 647, 648, 661, 1294, 1322, 1941, 1983, 2588, 2644, 3882, 3966, 5176, 5288, 5823, 5949, 7764, 7932, 11646, 11898, 15528, 15864, 17469, 17847, 23292, 23796, 34938, 35694, 46584, 47592, 52407, 53541, 69876, 71388, 104814, 107082, 139752, 142776, 209628, 214164, 419256, 427667, 428328, 855334, 1283001, 1710668, 2566002, 3421336, 3849003, 5132004, 7698006, 10264008, 11547009, 15396012, 23094018, 30792024, 34641027, 46188036, 69282054, 92376072, 138564108, 277128216]

約数ペア:

[(1, 277128216), (2, 138564108), (3, 92376072), (4, 69282054), (6, 46188036), (8, 34641027), (9, 30792024), (12, 23094018), (18, 15396012), (24, 11547009), (27, 10264008), (36, 7698006), (54, 5132004), (72, 3849003), (81, 3421336), (108, 2566002), (162, 1710668), (216, 1283001), (324, 855334), (647, 428328), (648, 427667), (661, 419256), (1294, 214164), (1322, 209628), (1941, 142776), (1983, 139752), (2588, 107082), (2644, 104814), (3882, 71388), (3966, 69876), (5176, 53541), (5288, 52407), (5823, 47592), (5949, 46584), (7764, 35694), (7932, 34938), (11646, 23796), (11898, 23292), (15528, 17847), (15864, 17469)]