13198075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{4363}}^1$

素因数の和:4395

約数の個数: 18

約数和(自身を含む): 17992772

約数和(自身を除く): 4794697

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 4363, 21815, 47993, 109075, 239965, 527923, 1199825, 2639615, 13198075]

約数ペア:

[(1, 13198075), (5, 2639615), (11, 1199825), (25, 527923), (55, 239965), (121, 109075), (275, 47993), (605, 21815), (3025, 4363)]