205384712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{19553}}^1$

素因数の和:19673

約数の個数: 32

約数和(自身を含む): 418846680

約数和(自身を除く): 213461968

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 2626, 5252, 10504, 19553, 39106, 78212, 156424, 254189, 508378, 1016756, 1974853, 2033512, 3949706, 7899412, 15798824, 25673089, 51346178, 102692356, 205384712]

約数ペア:

[(1, 205384712), (2, 102692356), (4, 51346178), (8, 25673089), (13, 15798824), (26, 7899412), (52, 3949706), (101, 2033512), (104, 1974853), (202, 1016756), (404, 508378), (808, 254189), (1313, 156424), (2626, 78212), (5252, 39106), (10504, 19553)]