217388519

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1559}}^1$

素因数の和:1798

約数の個数: 16

約数和(自身を含む): 235872000

約数和(自身を除く): 18483481

約数列:

[1, 19, 41, 179, 779, 1559, 3401, 7339, 29621, 63919, 139441, 279061, 1214461, 5302159, 11441501, 217388519]

約数ペア:

[(1, 217388519), (19, 11441501), (41, 5302159), (179, 1214461), (779, 279061), (1559, 139441), (3401, 63919), (7339, 29621)]