331455888

素因数分解:

$2^4\times 3^6\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 140

約数和(自身を含む): 974339548

約数和(自身を除く): 642883660

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 157, 162, 181, 216, 243, 314, 324, 362, 432, 471, 486, 543, 628, 648, 724, 729, 942, 972, 1086, 1256, 1296, 1413, 1448, 1458, 1629, 1884, 1944, 2172, 2512, 2826, 2896, 2916, 3258, 3768, 3888, 4239, 4344, 4887, 5652, 5832, 6516, 7536, 8478, 8688, 9774, 11304, 11664, 12717, 13032, 14661, 16956, 19548, 22608, 25434, 26064, 28417, 29322, 33912, 38151, 39096, 43983, 50868, 56834, 58644, 67824, 76302, 78192, 85251, 87966, 101736, 113668, 114453, 117288, 131949, 152604, 170502, 175932, 203472, 227336, 228906, 234576, 255753, 263898, 305208, 341004, 351864, 454672, 457812, 511506, 527796, 610416, 682008, 703728, 767259, 915624, 1023012, 1055592, 1364016, 1534518, 1831248, 2046024, 2111184, 2301777, 3069036, 4092048, 4603554, 6138072, 6905331, 9207108, 12276144, 13810662, 18414216, 20715993, 27621324, 36828432, 41431986, 55242648, 82863972, 110485296, 165727944, 331455888]

約数ペア:

[(1, 331455888), (2, 165727944), (3, 110485296), (4, 82863972), (6, 55242648), (8, 41431986), (9, 36828432), (12, 27621324), (16, 20715993), (18, 18414216), (24, 13810662), (27, 12276144), (36, 9207108), (48, 6905331), (54, 6138072), (72, 4603554), (81, 4092048), (108, 3069036), (144, 2301777), (157, 2111184), (162, 2046024), (181, 1831248), (216, 1534518), (243, 1364016), (314, 1055592), (324, 1023012), (362, 915624), (432, 767259), (471, 703728), (486, 682008), (543, 610416), (628, 527796), (648, 511506), (724, 457812), (729, 454672), (942, 351864), (972, 341004), (1086, 305208), (1256, 263898), (1296, 255753), (1413, 234576), (1448, 228906), (1458, 227336), (1629, 203472), (1884, 175932), (1944, 170502), (2172, 152604), (2512, 131949), (2826, 117288), (2896, 114453), (2916, 113668), (3258, 101736), (3768, 87966), (3888, 85251), (4239, 78192), (4344, 76302), (4887, 67824), (5652, 58644), (5832, 56834), (6516, 50868), (7536, 43983), (8478, 39096), (8688, 38151), (9774, 33912), (11304, 29322), (11664, 28417), (12717, 26064), (13032, 25434), (14661, 22608), (16956, 19548)]