208178113

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 254951424

約数和(自身を除く): 46773311

約数列:

[1, 11, 13, 31, 143, 151, 311, 341, 403, 1661, 1963, 3421, 4043, 4433, 4681, 9641, 21593, 44473, 46961, 51491, 60853, 106051, 125333, 516571, 610493, 669383, 1378663, 1455791, 6715423, 16013701, 18925283, 208178113]

約数ペア:

[(1, 208178113), (11, 18925283), (13, 16013701), (31, 6715423), (143, 1455791), (151, 1378663), (311, 669383), (341, 610493), (403, 516571), (1661, 125333), (1963, 106051), (3421, 60853), (4043, 51491), (4433, 46961), (4681, 44473), (9641, 21593)]