263115968

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1427}}^1$

素因数の和:1549

約数の個数: 56

約数和(自身を含む): 542617152

約数和(自身を除く): 279501184

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 67, 86, 134, 172, 268, 344, 536, 688, 1072, 1376, 1427, 2144, 2752, 2854, 2881, 4288, 5708, 5762, 11416, 11524, 22832, 23048, 45664, 46096, 61361, 91328, 92192, 95609, 122722, 184384, 191218, 245444, 382436, 490888, 764872, 981776, 1529744, 1963552, 3059488, 3927104, 4111187, 6118976, 8222374, 16444748, 32889496, 65778992, 131557984, 263115968]

約数ペア:

[(1, 263115968), (2, 131557984), (4, 65778992), (8, 32889496), (16, 16444748), (32, 8222374), (43, 6118976), (64, 4111187), (67, 3927104), (86, 3059488), (134, 1963552), (172, 1529744), (268, 981776), (344, 764872), (536, 490888), (688, 382436), (1072, 245444), (1376, 191218), (1427, 184384), (2144, 122722), (2752, 95609), (2854, 92192), (2881, 91328), (4288, 61361), (5708, 46096), (5762, 45664), (11416, 23048), (11524, 22832)]