81518892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3929}}^1$

素因数の和:3975

約数の個数: 96

約数和(自身を含む): 246489600

約数和(自身を除く): 164970708

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 988, 1092, 1482, 1596, 1729, 2964, 3458, 3929, 5187, 6916, 7858, 10374, 11787, 15716, 20748, 23574, 27503, 47148, 51077, 55006, 74651, 82509, 102154, 110012, 149302, 153231, 165018, 204308, 223953, 298604, 306462, 330036, 357539, 447906, 522557, 612924, 715078, 895812, 970463, 1045114, 1072617, 1430156, 1567671, 1940926, 2090228, 2145234, 2911389, 3135342, 3881852, 4290468, 5822778, 6270684, 6793241, 11645556, 13586482, 20379723, 27172964, 40759446, 81518892]

約数ペア:

[(1, 81518892), (2, 40759446), (3, 27172964), (4, 20379723), (6, 13586482), (7, 11645556), (12, 6793241), (13, 6270684), (14, 5822778), (19, 4290468), (21, 3881852), (26, 3135342), (28, 2911389), (38, 2145234), (39, 2090228), (42, 1940926), (52, 1567671), (57, 1430156), (76, 1072617), (78, 1045114), (84, 970463), (91, 895812), (114, 715078), (133, 612924), (156, 522557), (182, 447906), (228, 357539), (247, 330036), (266, 306462), (273, 298604), (364, 223953), (399, 204308), (494, 165018), (532, 153231), (546, 149302), (741, 110012), (798, 102154), (988, 82509), (1092, 74651), (1482, 55006), (1596, 51077), (1729, 47148), (2964, 27503), (3458, 23574), (3929, 20748), (5187, 15716), (6916, 11787), (7858, 10374)]