261675984

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{126781}}^1$

素因数の和:126835

約数の個数: 40

約数和(自身を含む): 691722592

約数和(自身を除く): 430046608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 126781, 253562, 380343, 507124, 760686, 1014248, 1521372, 2028496, 3042744, 5451583, 6085488, 10903166, 16354749, 21806332, 32709498, 43612664, 65418996, 87225328, 130837992, 261675984]

約数ペア:

[(1, 261675984), (2, 130837992), (3, 87225328), (4, 65418996), (6, 43612664), (8, 32709498), (12, 21806332), (16, 16354749), (24, 10903166), (43, 6085488), (48, 5451583), (86, 3042744), (129, 2028496), (172, 1521372), (258, 1014248), (344, 760686), (516, 507124), (688, 380343), (1032, 253562), (2064, 126781)]