17982755

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2579

約数の個数: 24

約数和(自身を含む): 25978320

約数和(自身を除く): 7995565

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 2531, 7105, 12655, 17717, 73399, 88585, 124019, 366995, 513793, 620095, 2568965, 3596551, 17982755]

約数ペア:

[(1, 17982755), (5, 3596551), (7, 2568965), (29, 620095), (35, 513793), (49, 366995), (145, 124019), (203, 88585), (245, 73399), (1015, 17717), (1421, 12655), (2531, 7105)]