399784

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 957600

約数和(自身を除く): 557816

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 59, 77, 88, 118, 121, 154, 236, 242, 308, 413, 472, 484, 616, 649, 826, 847, 968, 1298, 1652, 1694, 2596, 3304, 3388, 4543, 5192, 6776, 7139, 9086, 14278, 18172, 28556, 36344, 49973, 57112, 99946, 199892, 399784]

約数ペア:

[(1, 399784), (2, 199892), (4, 99946), (7, 57112), (8, 49973), (11, 36344), (14, 28556), (22, 18172), (28, 14278), (44, 9086), (56, 7139), (59, 6776), (77, 5192), (88, 4543), (118, 3388), (121, 3304), (154, 2596), (236, 1694), (242, 1652), (308, 1298), (413, 968), (472, 847), (484, 826), (616, 649)]