39664268

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21143}}^1$

素因数の和:21221

約数の個数: 24

約数和(自身を含む): 80516352

約数和(自身を除く): 40852084

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 21143, 42286, 84572, 148001, 296002, 592004, 1416581, 2833162, 5666324, 9916067, 19832134, 39664268]

約数ペア:

[(1, 39664268), (2, 19832134), (4, 9916067), (7, 5666324), (14, 2833162), (28, 1416581), (67, 592004), (134, 296002), (268, 148001), (469, 84572), (938, 42286), (1876, 21143)]