208057135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17117}}^1$

素因数の和:17163

約数の個数: 32

約数和(自身を含む): 310588992

約数和(自身を除く): 102531857

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 17117, 85585, 188287, 222521, 290989, 941435, 1112605, 1454945, 2447731, 3200879, 3782857, 12238655, 16004395, 18914285, 41611427, 208057135]

約数ペア:

[(1, 208057135), (5, 41611427), (11, 18914285), (13, 16004395), (17, 12238655), (55, 3782857), (65, 3200879), (85, 2447731), (143, 1454945), (187, 1112605), (221, 941435), (715, 290989), (935, 222521), (1105, 188287), (2431, 85585), (12155, 17117)]