8909890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{757}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 17682624

約数和(自身を除く): 8772734

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 757, 1070, 1177, 1514, 2354, 3785, 5885, 7570, 8327, 11770, 16654, 41635, 80999, 83270, 161998, 404995, 809990, 890989, 1781978, 4454945, 8909890]

約数ペア:

[(1, 8909890), (2, 4454945), (5, 1781978), (10, 890989), (11, 809990), (22, 404995), (55, 161998), (107, 83270), (110, 80999), (214, 41635), (535, 16654), (757, 11770), (1070, 8327), (1177, 7570), (1514, 5885), (2354, 3785)]