28091965

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 37729440

約数和(自身を除く): 9637475

約数列:

[1, 5, 11, 55, 59, 121, 295, 605, 649, 787, 3245, 3935, 7139, 8657, 35695, 43285, 46433, 95227, 232165, 476135, 510763, 2553815, 5618393, 28091965]

約数ペア:

[(1, 28091965), (5, 5618393), (11, 2553815), (55, 510763), (59, 476135), (121, 232165), (295, 95227), (605, 46433), (649, 43285), (787, 35695), (3245, 8657), (3935, 7139)]