28181808

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 84185088

約数和(自身を除く): 56003280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 67, 69, 72, 92, 127, 134, 138, 144, 184, 201, 207, 254, 268, 276, 368, 381, 402, 414, 508, 536, 552, 603, 762, 804, 828, 1016, 1072, 1104, 1143, 1206, 1524, 1541, 1608, 1656, 2032, 2286, 2412, 2921, 3048, 3082, 3216, 3312, 4572, 4623, 4824, 5842, 6096, 6164, 8509, 8763, 9144, 9246, 9648, 11684, 12328, 13869, 17018, 17526, 18288, 18492, 23368, 24656, 25527, 26289, 27738, 34036, 35052, 36984, 46736, 51054, 52578, 55476, 68072, 70104, 73968, 76581, 102108, 105156, 110952, 136144, 140208, 153162, 195707, 204216, 210312, 221904, 306324, 391414, 408432, 420624, 587121, 612648, 782828, 1174242, 1225296, 1565656, 1761363, 2348484, 3131312, 3522726, 4696968, 7045452, 9393936, 14090904, 28181808]

約数ペア:

[(1, 28181808), (2, 14090904), (3, 9393936), (4, 7045452), (6, 4696968), (8, 3522726), (9, 3131312), (12, 2348484), (16, 1761363), (18, 1565656), (23, 1225296), (24, 1174242), (36, 782828), (46, 612648), (48, 587121), (67, 420624), (69, 408432), (72, 391414), (92, 306324), (127, 221904), (134, 210312), (138, 204216), (144, 195707), (184, 153162), (201, 140208), (207, 136144), (254, 110952), (268, 105156), (276, 102108), (368, 76581), (381, 73968), (402, 70104), (414, 68072), (508, 55476), (536, 52578), (552, 51054), (603, 46736), (762, 36984), (804, 35052), (828, 34036), (1016, 27738), (1072, 26289), (1104, 25527), (1143, 24656), (1206, 23368), (1524, 18492), (1541, 18288), (1608, 17526), (1656, 17018), (2032, 13869), (2286, 12328), (2412, 11684), (2921, 9648), (3048, 9246), (3082, 9144), (3216, 8763), (3312, 8509), (4572, 6164), (4623, 6096), (4824, 5842)]