386987788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8893}}^1$

素因数の和:8974

約数の個数: 48

約数和(自身を含む): 788933376

約数和(自身を除く): 401945588

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 172, 253, 473, 506, 946, 989, 1012, 1892, 1978, 3956, 8893, 10879, 17786, 21758, 35572, 43516, 97823, 195646, 204539, 382399, 391292, 409078, 764798, 818156, 1529596, 2249929, 4206389, 4499858, 8412778, 8795177, 8999716, 16825556, 17590354, 35180708, 96746947, 193493894, 386987788]

約数ペア:

[(1, 386987788), (2, 193493894), (4, 96746947), (11, 35180708), (22, 17590354), (23, 16825556), (43, 8999716), (44, 8795177), (46, 8412778), (86, 4499858), (92, 4206389), (172, 2249929), (253, 1529596), (473, 818156), (506, 764798), (946, 409078), (989, 391292), (1012, 382399), (1892, 204539), (1978, 195646), (3956, 97823), (8893, 43516), (10879, 35572), (17786, 21758)]