389623528

素因数分解:

$2^3\times 7^1\times {\mathrm{1993}}^1\times {\mathrm{3491}}^1$

素因数の和:5497

約数の個数: 32

約数和(自身を含む): 835565760

約数和(自身を除く): 445942232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1993, 3491, 3986, 6982, 7972, 13951, 13964, 15944, 24437, 27902, 27928, 48874, 55804, 97748, 111608, 195496, 6957563, 13915126, 27830252, 48702941, 55660504, 97405882, 194811764, 389623528]

約数ペア:

[(1, 389623528), (2, 194811764), (4, 97405882), (7, 55660504), (8, 48702941), (14, 27830252), (28, 13915126), (56, 6957563), (1993, 195496), (3491, 111608), (3986, 97748), (6982, 55804), (7972, 48874), (13951, 27928), (13964, 27902), (15944, 24437)]