217439648

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8317}}^1$

素因数の和:8389

約数の個数: 48

約数和(自身を含む): 461149920

約数和(自身を除く): 243710272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 817, 1376, 1634, 3268, 6536, 8317, 13072, 16634, 26144, 33268, 66536, 133072, 158023, 266144, 316046, 357631, 632092, 715262, 1264184, 1430524, 2528368, 2861048, 5056736, 5722096, 6794989, 11444192, 13589978, 27179956, 54359912, 108719824, 217439648]

約数ペア:

[(1, 217439648), (2, 108719824), (4, 54359912), (8, 27179956), (16, 13589978), (19, 11444192), (32, 6794989), (38, 5722096), (43, 5056736), (76, 2861048), (86, 2528368), (152, 1430524), (172, 1264184), (304, 715262), (344, 632092), (608, 357631), (688, 316046), (817, 266144), (1376, 158023), (1634, 133072), (3268, 66536), (6536, 33268), (8317, 26144), (13072, 16634)]