205403776

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 425731680

約数和(自身を除く): 220327904

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 67, 86, 128, 134, 172, 268, 344, 536, 557, 688, 1072, 1114, 1376, 2144, 2228, 2752, 2881, 4288, 4456, 5504, 5762, 8576, 8912, 11524, 17824, 23048, 23951, 35648, 37319, 46096, 47902, 71296, 74638, 92192, 95804, 149276, 184384, 191608, 298552, 368768, 383216, 597104, 766432, 1194208, 1532864, 1604717, 2388416, 3065728, 3209434, 4776832, 6418868, 12837736, 25675472, 51350944, 102701888, 205403776]

約数ペア:

[(1, 205403776), (2, 102701888), (4, 51350944), (8, 25675472), (16, 12837736), (32, 6418868), (43, 4776832), (64, 3209434), (67, 3065728), (86, 2388416), (128, 1604717), (134, 1532864), (172, 1194208), (268, 766432), (344, 597104), (536, 383216), (557, 368768), (688, 298552), (1072, 191608), (1114, 184384), (1376, 149276), (2144, 95804), (2228, 92192), (2752, 74638), (2881, 71296), (4288, 47902), (4456, 46096), (5504, 37319), (5762, 35648), (8576, 23951), (8912, 23048), (11524, 17824)]