28133784

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:854

約数の個数: 128

約数和(自身を含む): 93312000

約数和(自身を除く): 65178216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 54, 56, 63, 69, 72, 84, 92, 108, 126, 138, 161, 168, 184, 189, 207, 216, 252, 276, 322, 378, 414, 483, 504, 552, 621, 644, 756, 809, 828, 966, 1242, 1288, 1449, 1512, 1618, 1656, 1932, 2427, 2484, 2898, 3236, 3864, 4347, 4854, 4968, 5663, 5796, 6472, 7281, 8694, 9708, 11326, 11592, 14562, 16989, 17388, 18607, 19416, 21843, 22652, 29124, 33978, 34776, 37214, 43686, 45304, 50967, 55821, 58248, 67956, 74428, 87372, 101934, 111642, 130249, 135912, 148856, 152901, 167463, 174744, 203868, 223284, 260498, 305802, 334926, 390747, 407736, 446568, 502389, 520996, 611604, 669852, 781494, 1004778, 1041992, 1172241, 1223208, 1339704, 1562988, 2009556, 2344482, 3125976, 3516723, 4019112, 4688964, 7033446, 9377928, 14066892, 28133784]

約数ペア:

[(1, 28133784), (2, 14066892), (3, 9377928), (4, 7033446), (6, 4688964), (7, 4019112), (8, 3516723), (9, 3125976), (12, 2344482), (14, 2009556), (18, 1562988), (21, 1339704), (23, 1223208), (24, 1172241), (27, 1041992), (28, 1004778), (36, 781494), (42, 669852), (46, 611604), (54, 520996), (56, 502389), (63, 446568), (69, 407736), (72, 390747), (84, 334926), (92, 305802), (108, 260498), (126, 223284), (138, 203868), (161, 174744), (168, 167463), (184, 152901), (189, 148856), (207, 135912), (216, 130249), (252, 111642), (276, 101934), (322, 87372), (378, 74428), (414, 67956), (483, 58248), (504, 55821), (552, 50967), (621, 45304), (644, 43686), (756, 37214), (809, 34776), (828, 33978), (966, 29124), (1242, 22652), (1288, 21843), (1449, 19416), (1512, 18607), (1618, 17388), (1656, 16989), (1932, 14562), (2427, 11592), (2484, 11326), (2898, 9708), (3236, 8694), (3864, 7281), (4347, 6472), (4854, 5796), (4968, 5663)]