28899860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131363}}^1$

素因数の和:131383

約数の個数: 24

約数和(自身を含む): 66207456

約数和(自身を除く): 37307596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 131363, 262726, 525452, 656815, 1313630, 1444993, 2627260, 2889986, 5779972, 7224965, 14449930, 28899860]

約数ペア:

[(1, 28899860), (2, 14449930), (4, 7224965), (5, 5779972), (10, 2889986), (11, 2627260), (20, 1444993), (22, 1313630), (44, 656815), (55, 525452), (110, 262726), (220, 131363)]