1966981744

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43579}}^1$

素因数の和:43638

約数の個数: 80

約数和(自身を含む): 4841912320

約数和(自身を除く): 2874930576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5642, 6448, 11284, 22568, 43579, 45136, 87158, 174316, 305053, 348632, 566527, 610106, 697264, 1133054, 1220212, 1350949, 2266108, 2440424, 2701898, 3965689, 4532216, 4880848, 5403796, 7931378, 9064432, 9456643, 10807592, 15862756, 17562337, 18913286, 21615184, 31725512, 35124674, 37826572, 63451024, 70249348, 75653144, 122936359, 140498696, 151306288, 245872718, 280997392, 491745436, 983490872, 1966981744]

約数ペア:

[(1, 1966981744), (2, 983490872), (4, 491745436), (7, 280997392), (8, 245872718), (13, 151306288), (14, 140498696), (16, 122936359), (26, 75653144), (28, 70249348), (31, 63451024), (52, 37826572), (56, 35124674), (62, 31725512), (91, 21615184), (104, 18913286), (112, 17562337), (124, 15862756), (182, 10807592), (208, 9456643), (217, 9064432), (248, 7931378), (364, 5403796), (403, 4880848), (434, 4532216), (496, 3965689), (728, 2701898), (806, 2440424), (868, 2266108), (1456, 1350949), (1612, 1220212), (1736, 1133054), (2821, 697264), (3224, 610106), (3472, 566527), (5642, 348632), (6448, 305053), (11284, 174316), (22568, 87158), (43579, 45136)]