208894895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7207}}^1$

素因数の和:7271

約数の個数: 32

約数和(自身を含む): 298930176

約数和(自身を除く): 90035281

約数列:

[1, 5, 11, 17, 31, 55, 85, 155, 187, 341, 527, 935, 1705, 2635, 5797, 7207, 28985, 36035, 79277, 122519, 223417, 396385, 612595, 1117085, 1347709, 2457587, 3798089, 6738545, 12287935, 18990445, 41778979, 208894895]

約数ペア:

[(1, 208894895), (5, 41778979), (11, 18990445), (17, 12287935), (31, 6738545), (55, 3798089), (85, 2457587), (155, 1347709), (187, 1117085), (341, 612595), (527, 396385), (935, 223417), (1705, 122519), (2635, 79277), (5797, 36035), (7207, 28985)]