28609790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{260089}}^1$

素因数の和:260107

約数の個数: 16

約数和(自身を含む): 56179440

約数和(自身を除く): 27569650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 260089, 520178, 1300445, 2600890, 2860979, 5721958, 14304895, 28609790]

約数ペア:

[(1, 28609790), (2, 14304895), (5, 5721958), (10, 2860979), (11, 2600890), (22, 1300445), (55, 520178), (110, 260089)]