1274864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 2700720

約数和(自身を除く): 1425856

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 109, 136, 172, 218, 272, 344, 436, 688, 731, 872, 1462, 1744, 1853, 2924, 3706, 4687, 5848, 7412, 9374, 11696, 14824, 18748, 29648, 37496, 74992, 79679, 159358, 318716, 637432, 1274864]

約数ペア:

[(1, 1274864), (2, 637432), (4, 318716), (8, 159358), (16, 79679), (17, 74992), (34, 37496), (43, 29648), (68, 18748), (86, 14824), (109, 11696), (136, 9374), (172, 7412), (218, 5848), (272, 4687), (344, 3706), (436, 2924), (688, 1853), (731, 1744), (872, 1462)]