291215888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{2069}}^1$

素因数の和:2559

約数の個数: 40

約数和(自身を含む): 595497600

約数和(自身を除く): 304281712

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 463, 926, 1852, 2069, 3704, 4138, 7408, 8276, 8797, 16552, 17594, 33104, 35188, 39311, 70376, 78622, 140752, 157244, 314488, 628976, 957947, 1915894, 3831788, 7663576, 15327152, 18200993, 36401986, 72803972, 145607944, 291215888]

約数ペア:

[(1, 291215888), (2, 145607944), (4, 72803972), (8, 36401986), (16, 18200993), (19, 15327152), (38, 7663576), (76, 3831788), (152, 1915894), (304, 957947), (463, 628976), (926, 314488), (1852, 157244), (2069, 140752), (3704, 78622), (4138, 70376), (7408, 39311), (8276, 35188), (8797, 33104), (16552, 17594)]