201916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 416304

約数和(自身を除く): 214388

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 353, 572, 706, 1412, 3883, 4589, 7766, 9178, 15532, 18356, 50479, 100958, 201916]

約数ペア:

[(1, 201916), (2, 100958), (4, 50479), (11, 18356), (13, 15532), (22, 9178), (26, 7766), (44, 4589), (52, 3883), (143, 1412), (286, 706), (353, 572)]