221491506

素因数分解:

$2^1\times 3^1\times {\mathrm{281}}^1\times {\mathrm{131371}}^1$

素因数の和:131657

約数の個数: 16

約数和(自身を含む): 444562848

約数和(自身を除く): 223071342

約数列:

[1, 2, 3, 6, 281, 562, 843, 1686, 131371, 262742, 394113, 788226, 36915251, 73830502, 110745753, 221491506]

約数ペア:

[(1, 221491506), (2, 110745753), (3, 73830502), (6, 36915251), (281, 788226), (562, 394113), (843, 262742), (1686, 131371)]