87860556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20509}}^1$

素因数の和:20543

約数の個数: 72

約数和(自身を含む): 268763040

約数和(自身を除く): 180902484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 20509, 41018, 61527, 82036, 123054, 143563, 184581, 246108, 287126, 348653, 369162, 430689, 574252, 697306, 738324, 861378, 1045959, 1292067, 1394612, 1722756, 2091918, 2440571, 2584134, 3137877, 4183836, 4881142, 5168268, 6275754, 7321713, 9762284, 12551508, 14643426, 21965139, 29286852, 43930278, 87860556]

約数ペア:

[(1, 87860556), (2, 43930278), (3, 29286852), (4, 21965139), (6, 14643426), (7, 12551508), (9, 9762284), (12, 7321713), (14, 6275754), (17, 5168268), (18, 4881142), (21, 4183836), (28, 3137877), (34, 2584134), (36, 2440571), (42, 2091918), (51, 1722756), (63, 1394612), (68, 1292067), (84, 1045959), (102, 861378), (119, 738324), (126, 697306), (153, 574252), (204, 430689), (238, 369162), (252, 348653), (306, 287126), (357, 246108), (476, 184581), (612, 143563), (714, 123054), (1071, 82036), (1428, 61527), (2142, 41018), (4284, 20509)]