28112645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 39470976

約数和(自身を除く): 11358331

約数列:

[1, 5, 11, 17, 55, 85, 107, 187, 281, 535, 935, 1177, 1405, 1819, 3091, 4777, 5885, 9095, 15455, 20009, 23885, 30067, 52547, 100045, 150335, 262735, 330737, 511139, 1653685, 2555695, 5622529, 28112645]

約数ペア:

[(1, 28112645), (5, 5622529), (11, 2555695), (17, 1653685), (55, 511139), (85, 330737), (107, 262735), (187, 150335), (281, 100045), (535, 52547), (935, 30067), (1177, 23885), (1405, 20009), (1819, 15455), (3091, 9095), (4777, 5885)]