217307585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{3323}}^1$

素因数の和:3409

約数の個数: 32

約数和(自身を含む): 301553280

約数和(自身を除く): 84245695

約数列:

[1, 5, 11, 29, 41, 55, 145, 205, 319, 451, 1189, 1595, 2255, 3323, 5945, 13079, 16615, 36553, 65395, 96367, 136243, 182765, 481835, 681215, 1060037, 1498673, 3951047, 5300185, 7493365, 19755235, 43461517, 217307585]

約数ペア:

[(1, 217307585), (5, 43461517), (11, 19755235), (29, 7493365), (41, 5300185), (55, 3951047), (145, 1498673), (205, 1060037), (319, 681215), (451, 481835), (1189, 182765), (1595, 136243), (2255, 96367), (3323, 65395), (5945, 36553), (13079, 16615)]