221594578

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1\times {\mathrm{3923}}^1$

素因数の和:4449

約数の個数: 16

約数和(自身を含む): 338656896

約数和(自身を除く): 117062318

約数列:

[1, 2, 61, 122, 463, 926, 3923, 7846, 28243, 56486, 239303, 478606, 1816349, 3632698, 110797289, 221594578]

約数ペア:

[(1, 221594578), (2, 110797289), (61, 3632698), (122, 1816349), (463, 478606), (926, 239303), (3923, 56486), (7846, 28243)]