16861864

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 32531400

約数和(自身を除く): 15669536

約数列:

[1, 2, 4, 8, 61, 109, 122, 218, 244, 317, 436, 488, 634, 872, 1268, 2536, 6649, 13298, 19337, 26596, 34553, 38674, 53192, 69106, 77348, 138212, 154696, 276424, 2107733, 4215466, 8430932, 16861864]

約数ペア:

[(1, 16861864), (2, 8430932), (4, 4215466), (8, 2107733), (61, 276424), (109, 154696), (122, 138212), (218, 77348), (244, 69106), (317, 53192), (436, 38674), (488, 34553), (634, 26596), (872, 19337), (1268, 13298), (2536, 6649)]