28953232

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 71138304

約数和(自身を除く): 42185072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 71, 77, 88, 112, 142, 154, 176, 284, 308, 331, 497, 568, 616, 662, 781, 994, 1136, 1232, 1324, 1562, 1988, 2317, 2648, 3124, 3641, 3976, 4634, 5296, 5467, 6248, 7282, 7952, 9268, 10934, 12496, 14564, 18536, 21868, 23501, 25487, 29128, 37072, 43736, 47002, 50974, 58256, 87472, 94004, 101948, 164507, 188008, 203896, 258511, 329014, 376016, 407792, 517022, 658028, 1034044, 1316056, 1809577, 2068088, 2632112, 3619154, 4136176, 7238308, 14476616, 28953232]

約数ペア:

[(1, 28953232), (2, 14476616), (4, 7238308), (7, 4136176), (8, 3619154), (11, 2632112), (14, 2068088), (16, 1809577), (22, 1316056), (28, 1034044), (44, 658028), (56, 517022), (71, 407792), (77, 376016), (88, 329014), (112, 258511), (142, 203896), (154, 188008), (176, 164507), (284, 101948), (308, 94004), (331, 87472), (497, 58256), (568, 50974), (616, 47002), (662, 43736), (781, 37072), (994, 29128), (1136, 25487), (1232, 23501), (1324, 21868), (1562, 18536), (1988, 14564), (2317, 12496), (2648, 10934), (3124, 9268), (3641, 7952), (3976, 7282), (4634, 6248), (5296, 5467)]