898904155

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1129}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 1248876000

約数和(自身を除く): 349971845

約数列:

[1, 5, 17, 19, 29, 85, 95, 145, 289, 323, 493, 551, 1129, 1445, 1615, 2465, 2755, 5491, 5645, 8381, 9367, 19193, 21451, 27455, 32741, 41905, 46835, 95965, 107255, 159239, 163705, 326281, 364667, 556597, 622079, 796195, 1631405, 1823335, 2782985, 3110395, 6199339, 9462149, 10575343, 30996695, 47310745, 52876715, 179780831, 898904155]

約数ペア:

[(1, 898904155), (5, 179780831), (17, 52876715), (19, 47310745), (29, 30996695), (85, 10575343), (95, 9462149), (145, 6199339), (289, 3110395), (323, 2782985), (493, 1823335), (551, 1631405), (1129, 796195), (1445, 622079), (1615, 556597), (2465, 364667), (2755, 326281), (5491, 163705), (5645, 159239), (8381, 107255), (9367, 95965), (19193, 46835), (21451, 41905), (27455, 32741)]