208078195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 278087040

約数和(自身を除く): 70008845

約数列:

[1, 5, 13, 37, 65, 185, 241, 359, 481, 1205, 1795, 2405, 3133, 4667, 8917, 13283, 15665, 23335, 44585, 66415, 86519, 115921, 172679, 432595, 579605, 863395, 1124747, 3201203, 5623735, 16006015, 41615639, 208078195]

約数ペア:

[(1, 208078195), (5, 41615639), (13, 16006015), (37, 5623735), (65, 3201203), (185, 1124747), (241, 863395), (359, 579605), (481, 432595), (1205, 172679), (1795, 115921), (2405, 86519), (3133, 66415), (4667, 44585), (8917, 23335), (13283, 15665)]