28057930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2837}}^1$

素因数の和:2910

約数の個数: 32

約数和(自身を含む): 53944704

約数和(自身を除く): 25886774

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 2837, 4945, 5674, 9890, 14185, 28370, 65251, 121991, 130502, 243982, 326255, 609955, 652510, 1219910, 2805793, 5611586, 14028965, 28057930]

約数ペア:

[(1, 28057930), (2, 14028965), (5, 5611586), (10, 2805793), (23, 1219910), (43, 652510), (46, 609955), (86, 326255), (115, 243982), (215, 130502), (230, 121991), (430, 65251), (989, 28370), (1978, 14185), (2837, 9890), (4945, 5674)]