225412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 443520

約数和(自身を除く): 218108

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 109, 188, 218, 436, 517, 1034, 1199, 2068, 2398, 4796, 5123, 10246, 20492, 56353, 112706, 225412]

約数ペア:

[(1, 225412), (2, 112706), (4, 56353), (11, 20492), (22, 10246), (44, 5123), (47, 4796), (94, 2398), (109, 2068), (188, 1199), (218, 1034), (436, 517)]