213782855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8081}}^1$

素因数の和:8147

約数の個数: 32

約数和(自身を含む): 309572928

約数和(自身を除く): 95790073

約数列:

[1, 5, 11, 13, 37, 55, 65, 143, 185, 407, 481, 715, 2035, 2405, 5291, 8081, 26455, 40405, 88891, 105053, 298997, 444455, 525265, 1155583, 1494985, 3288967, 3886961, 5777915, 16444835, 19434805, 42756571, 213782855]

約数ペア:

[(1, 213782855), (5, 42756571), (11, 19434805), (13, 16444835), (37, 5777915), (55, 3886961), (65, 3288967), (143, 1494985), (185, 1155583), (407, 525265), (481, 444455), (715, 298997), (2035, 105053), (2405, 88891), (5291, 40405), (8081, 26455)]