28875605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 40590720

約数和(自身を除く): 11715115

約数列:

[1, 5, 11, 17, 55, 85, 89, 187, 347, 445, 935, 979, 1513, 1735, 3817, 4895, 5899, 7565, 16643, 19085, 29495, 30883, 64889, 83215, 154415, 324445, 339713, 525011, 1698565, 2625055, 5775121, 28875605]

約数ペア:

[(1, 28875605), (5, 5775121), (11, 2625055), (17, 1698565), (55, 525011), (85, 339713), (89, 324445), (187, 154415), (347, 83215), (445, 64889), (935, 30883), (979, 29495), (1513, 19085), (1735, 16643), (3817, 7565), (4895, 5899)]