388492786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{162007}}^1$

素因数の和:162129

約数の個数: 16

約数和(自身を含む): 641551680

約数和(自身を除く): 253058894

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 162007, 324014, 1782077, 3564154, 17658763, 35317526, 194246393, 388492786]

約数ペア:

[(1, 388492786), (2, 194246393), (11, 35317526), (22, 17658763), (109, 3564154), (218, 1782077), (1199, 324014), (2398, 162007)]