131579968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{947}}^1$

素因数の和:1139

約数の個数: 56

約数和(自身を含む): 283171392

約数和(自身を除く): 151591424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 167, 208, 334, 416, 668, 832, 947, 1336, 1894, 2171, 2672, 3788, 4342, 5344, 7576, 8684, 10688, 12311, 15152, 17368, 24622, 30304, 34736, 49244, 60608, 69472, 98488, 138944, 158149, 196976, 316298, 393952, 632596, 787904, 1265192, 2055937, 2530384, 4111874, 5060768, 8223748, 10121536, 16447496, 32894992, 65789984, 131579968]

約数ペア:

[(1, 131579968), (2, 65789984), (4, 32894992), (8, 16447496), (13, 10121536), (16, 8223748), (26, 5060768), (32, 4111874), (52, 2530384), (64, 2055937), (104, 1265192), (167, 787904), (208, 632596), (334, 393952), (416, 316298), (668, 196976), (832, 158149), (947, 138944), (1336, 98488), (1894, 69472), (2171, 60608), (2672, 49244), (3788, 34736), (4342, 30304), (5344, 24622), (7576, 17368), (8684, 15152), (10688, 12311)]