217759969

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1549}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 268584000

約数和(自身を除く): 50824031

約数列:

[1, 7, 19, 49, 133, 151, 931, 1057, 1549, 2869, 7399, 10843, 20083, 29431, 75901, 140581, 206017, 233899, 1442119, 1637293, 4444081, 11461051, 31108567, 217759969]

約数ペア:

[(1, 217759969), (7, 31108567), (19, 11461051), (49, 4444081), (133, 1637293), (151, 1442119), (931, 233899), (1057, 206017), (1549, 140581), (2869, 75901), (7399, 29431), (10843, 20083)]