8904005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 12597120

約数和(自身を除く): 3693115

約数列:

[1, 5, 11, 17, 55, 85, 89, 107, 187, 445, 535, 935, 979, 1177, 1513, 1819, 4895, 5885, 7565, 9095, 9523, 16643, 20009, 47615, 83215, 100045, 104753, 161891, 523765, 809455, 1780801, 8904005]

約数ペア:

[(1, 8904005), (5, 1780801), (11, 809455), (17, 523765), (55, 161891), (85, 104753), (89, 100045), (107, 83215), (187, 47615), (445, 20009), (535, 16643), (935, 9523), (979, 9095), (1177, 7565), (1513, 5885), (1819, 4895)]