221796272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1733}}^1$

素因数の和:2181

約数の個数: 40

約数和(自身を含む): 453683760

約数和(自身を除く): 231887488

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 421, 842, 1684, 1733, 3368, 3466, 6736, 6932, 7999, 13864, 15998, 27728, 31996, 32927, 63992, 65854, 127984, 131708, 263416, 526832, 729593, 1459186, 2918372, 5836744, 11673488, 13862267, 27724534, 55449068, 110898136, 221796272]

約数ペア:

[(1, 221796272), (2, 110898136), (4, 55449068), (8, 27724534), (16, 13862267), (19, 11673488), (38, 5836744), (76, 2918372), (152, 1459186), (304, 729593), (421, 526832), (842, 263416), (1684, 131708), (1733, 127984), (3368, 65854), (3466, 63992), (6736, 32927), (6932, 31996), (7999, 27728), (13864, 15998)]