28079136

素因数分解:

$2^5\times 3^5\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 86958144

約数和(自身を除く): 58879008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 157, 162, 184, 207, 216, 243, 276, 288, 314, 324, 368, 414, 432, 471, 486, 552, 621, 628, 648, 736, 828, 864, 942, 972, 1104, 1242, 1256, 1296, 1413, 1656, 1863, 1884, 1944, 2208, 2484, 2512, 2592, 2826, 3312, 3611, 3726, 3768, 3888, 4239, 4968, 5024, 5589, 5652, 6624, 7222, 7452, 7536, 7776, 8478, 9936, 10833, 11178, 11304, 12717, 14444, 14904, 15072, 16956, 19872, 21666, 22356, 22608, 25434, 28888, 29808, 32499, 33912, 38151, 43332, 44712, 45216, 50868, 57776, 59616, 64998, 67824, 76302, 86664, 89424, 97497, 101736, 115552, 129996, 135648, 152604, 173328, 178848, 194994, 203472, 259992, 292491, 305208, 346656, 389988, 406944, 519984, 584982, 610416, 779976, 877473, 1039968, 1169964, 1220832, 1559952, 1754946, 2339928, 3119904, 3509892, 4679856, 7019784, 9359712, 14039568, 28079136]

約数ペア:

[(1, 28079136), (2, 14039568), (3, 9359712), (4, 7019784), (6, 4679856), (8, 3509892), (9, 3119904), (12, 2339928), (16, 1754946), (18, 1559952), (23, 1220832), (24, 1169964), (27, 1039968), (32, 877473), (36, 779976), (46, 610416), (48, 584982), (54, 519984), (69, 406944), (72, 389988), (81, 346656), (92, 305208), (96, 292491), (108, 259992), (138, 203472), (144, 194994), (157, 178848), (162, 173328), (184, 152604), (207, 135648), (216, 129996), (243, 115552), (276, 101736), (288, 97497), (314, 89424), (324, 86664), (368, 76302), (414, 67824), (432, 64998), (471, 59616), (486, 57776), (552, 50868), (621, 45216), (628, 44712), (648, 43332), (736, 38151), (828, 33912), (864, 32499), (942, 29808), (972, 28888), (1104, 25434), (1242, 22608), (1256, 22356), (1296, 21666), (1413, 19872), (1656, 16956), (1863, 15072), (1884, 14904), (1944, 14444), (2208, 12717), (2484, 11304), (2512, 11178), (2592, 10833), (2826, 9936), (3312, 8478), (3611, 7776), (3726, 7536), (3768, 7452), (3888, 7222), (4239, 6624), (4968, 5652), (5024, 5589)]