16945768

素因数分解:

$2^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 37346400

約数和(自身を除く): 20400632

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 278, 311, 392, 556, 622, 973, 1112, 1244, 1946, 2177, 2488, 3892, 4354, 6811, 7784, 8708, 13622, 15239, 17416, 27244, 30478, 43229, 54488, 60956, 86458, 121912, 172916, 302603, 345832, 605206, 1210412, 2118221, 2420824, 4236442, 8472884, 16945768]

約数ペア:

[(1, 16945768), (2, 8472884), (4, 4236442), (7, 2420824), (8, 2118221), (14, 1210412), (28, 605206), (49, 345832), (56, 302603), (98, 172916), (139, 121912), (196, 86458), (278, 60956), (311, 54488), (392, 43229), (556, 30478), (622, 27244), (973, 17416), (1112, 15239), (1244, 13622), (1946, 8708), (2177, 7784), (2488, 6811), (3892, 4354)]