209023774

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{11519}}^1$

素因数の和:11775

約数の個数: 16

約数和(自身を含む): 322375680

約数和(自身を除く): 113351906

約数列:

[1, 2, 43, 86, 211, 422, 9073, 11519, 18146, 23038, 495317, 990634, 2430509, 4861018, 104511887, 209023774]

約数ペア:

[(1, 209023774), (2, 104511887), (43, 4861018), (86, 2430509), (211, 990634), (422, 495317), (9073, 23038), (11519, 18146)]