215698393

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 246758400

約数和(自身を除く): 31060007

約数列:

[1, 19, 23, 53, 67, 139, 437, 1007, 1219, 1273, 1541, 2641, 3197, 3551, 7367, 9313, 23161, 29279, 60743, 67469, 81673, 139973, 169441, 176947, 214199, 493589, 1551787, 3219379, 4069781, 9378191, 11352547, 215698393]

約数ペア:

[(1, 215698393), (19, 11352547), (23, 9378191), (53, 4069781), (67, 3219379), (139, 1551787), (437, 493589), (1007, 214199), (1219, 176947), (1273, 169441), (1541, 139973), (2641, 81673), (3197, 67469), (3551, 60743), (7367, 29279), (9313, 23161)]