28065726

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 69818112

約数和(自身を除く): 41752386

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 53, 62, 73, 78, 93, 106, 117, 146, 159, 186, 219, 234, 279, 318, 403, 438, 477, 558, 657, 689, 806, 949, 954, 1209, 1314, 1378, 1643, 1898, 2067, 2263, 2418, 2847, 3286, 3627, 3869, 4134, 4526, 4929, 5694, 6201, 6789, 7254, 7738, 8541, 9858, 11607, 12402, 13578, 14787, 17082, 20367, 21359, 23214, 29419, 29574, 34821, 40734, 42718, 50297, 58838, 64077, 69642, 88257, 100594, 119939, 128154, 150891, 176514, 192231, 239878, 264771, 301782, 359817, 384462, 452673, 529542, 719634, 905346, 1079451, 1559207, 2158902, 3118414, 4677621, 9355242, 14032863, 28065726]

約数ペア:

[(1, 28065726), (2, 14032863), (3, 9355242), (6, 4677621), (9, 3118414), (13, 2158902), (18, 1559207), (26, 1079451), (31, 905346), (39, 719634), (53, 529542), (62, 452673), (73, 384462), (78, 359817), (93, 301782), (106, 264771), (117, 239878), (146, 192231), (159, 176514), (186, 150891), (219, 128154), (234, 119939), (279, 100594), (318, 88257), (403, 69642), (438, 64077), (477, 58838), (558, 50297), (657, 42718), (689, 40734), (806, 34821), (949, 29574), (954, 29419), (1209, 23214), (1314, 21359), (1378, 20367), (1643, 17082), (1898, 14787), (2067, 13578), (2263, 12402), (2418, 11607), (2847, 9858), (3286, 8541), (3627, 7738), (3869, 7254), (4134, 6789), (4526, 6201), (4929, 5694)]