887890647556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{9001}}^1\times {\mathrm{203809}}^1$

素因数の和:212836

約数の個数: 36

約数和(自身を含む): 1708103484220

約数和(自身を除く): 820212836664

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 9001, 18002, 36004, 99011, 198022, 203809, 396044, 407618, 815236, 1089121, 2178242, 2241899, 4356484, 4483798, 8967596, 24660889, 49321778, 98643556, 1834484809, 3668969618, 7337939236, 20179332899, 40358665798, 80717331596, 221972661889, 443945323778, 887890647556]

約数ペア:

[(1, 887890647556), (2, 443945323778), (4, 221972661889), (11, 80717331596), (22, 40358665798), (44, 20179332899), (121, 7337939236), (242, 3668969618), (484, 1834484809), (9001, 98643556), (18002, 49321778), (36004, 24660889), (99011, 8967596), (198022, 4483798), (203809, 4356484), (396044, 2241899), (407618, 2178242), (815236, 1089121)]