31920392

素因数分解:

$2^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{881}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 68584320

約数和(自身を除く): 36663928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 647, 881, 1294, 1762, 2588, 3524, 4529, 5176, 6167, 7048, 9058, 12334, 18116, 24668, 36232, 49336, 570007, 1140014, 2280028, 3990049, 4560056, 7980098, 15960196, 31920392]

約数ペア:

[(1, 31920392), (2, 15960196), (4, 7980098), (7, 4560056), (8, 3990049), (14, 2280028), (28, 1140014), (56, 570007), (647, 49336), (881, 36232), (1294, 24668), (1762, 18116), (2588, 12334), (3524, 9058), (4529, 7048), (5176, 6167)]