1989284856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{24809}}^1$

素因数の和:25088

約数の個数: 64

約数和(自身を含む): 5376823200

約数和(自身を除く): 3387538344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 257, 312, 514, 771, 1028, 1542, 2056, 3084, 3341, 6168, 6682, 10023, 13364, 20046, 24809, 26728, 40092, 49618, 74427, 80184, 99236, 148854, 198472, 297708, 322517, 595416, 645034, 967551, 1290068, 1935102, 2580136, 3870204, 6375913, 7740408, 12751826, 19127739, 25503652, 38255478, 51007304, 76510956, 82886869, 153021912, 165773738, 248660607, 331547476, 497321214, 663094952, 994642428, 1989284856]

約数ペア:

[(1, 1989284856), (2, 994642428), (3, 663094952), (4, 497321214), (6, 331547476), (8, 248660607), (12, 165773738), (13, 153021912), (24, 82886869), (26, 76510956), (39, 51007304), (52, 38255478), (78, 25503652), (104, 19127739), (156, 12751826), (257, 7740408), (312, 6375913), (514, 3870204), (771, 2580136), (1028, 1935102), (1542, 1290068), (2056, 967551), (3084, 645034), (3341, 595416), (6168, 322517), (6682, 297708), (10023, 198472), (13364, 148854), (20046, 99236), (24809, 80184), (26728, 74427), (40092, 49618)]