28139748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 82150656

約数和(自身を除く): 54010908

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 73, 78, 84, 91, 146, 156, 182, 219, 273, 292, 353, 364, 438, 511, 546, 706, 876, 949, 1022, 1059, 1092, 1412, 1533, 1898, 2044, 2118, 2471, 2847, 3066, 3796, 4236, 4589, 4942, 5694, 6132, 6643, 7413, 9178, 9884, 11388, 13286, 13767, 14826, 18356, 19929, 25769, 26572, 27534, 29652, 32123, 39858, 51538, 55068, 64246, 77307, 79716, 96369, 103076, 128492, 154614, 180383, 192738, 309228, 334997, 360766, 385476, 541149, 669994, 721532, 1004991, 1082298, 1339988, 2009982, 2164596, 2344979, 4019964, 4689958, 7034937, 9379916, 14069874, 28139748]

約数ペア:

[(1, 28139748), (2, 14069874), (3, 9379916), (4, 7034937), (6, 4689958), (7, 4019964), (12, 2344979), (13, 2164596), (14, 2009982), (21, 1339988), (26, 1082298), (28, 1004991), (39, 721532), (42, 669994), (52, 541149), (73, 385476), (78, 360766), (84, 334997), (91, 309228), (146, 192738), (156, 180383), (182, 154614), (219, 128492), (273, 103076), (292, 96369), (353, 79716), (364, 77307), (438, 64246), (511, 55068), (546, 51538), (706, 39858), (876, 32123), (949, 29652), (1022, 27534), (1059, 26572), (1092, 25769), (1412, 19929), (1533, 18356), (1898, 14826), (2044, 13767), (2118, 13286), (2471, 11388), (2847, 9884), (3066, 9178), (3796, 7413), (4236, 6643), (4589, 6132), (4942, 5694)]