290547738

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{233}}^1$

素因数の和:400

約数の個数: 72

約数和(自身を含む): 690308892

約数和(自身を除く): 399761154

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 219, 233, 234, 438, 466, 657, 699, 949, 1314, 1398, 1898, 2097, 2847, 3029, 4194, 5329, 5694, 6058, 8541, 9087, 10658, 15987, 17009, 17082, 18174, 27261, 31974, 34018, 47961, 51027, 54522, 69277, 95922, 102054, 138554, 153081, 207831, 221117, 306162, 415662, 442234, 623493, 663351, 1241657, 1246986, 1326702, 1990053, 2483314, 3724971, 3980106, 7449942, 11174913, 16141541, 22349826, 32283082, 48424623, 96849246, 145273869, 290547738]

約数ペア:

[(1, 290547738), (2, 145273869), (3, 96849246), (6, 48424623), (9, 32283082), (13, 22349826), (18, 16141541), (26, 11174913), (39, 7449942), (73, 3980106), (78, 3724971), (117, 2483314), (146, 1990053), (219, 1326702), (233, 1246986), (234, 1241657), (438, 663351), (466, 623493), (657, 442234), (699, 415662), (949, 306162), (1314, 221117), (1398, 207831), (1898, 153081), (2097, 138554), (2847, 102054), (3029, 95922), (4194, 69277), (5329, 54522), (5694, 51027), (6058, 47961), (8541, 34018), (9087, 31974), (10658, 27261), (15987, 18174), (17009, 17082)]