208268515

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{9739}}^1$

素因数の和:9811

約数の個数: 32

約数和(自身を含む): 314173440

約数和(自身を除く): 105904925

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1645, 3055, 4277, 9739, 21385, 48695, 68173, 126607, 340865, 457733, 633035, 886249, 2288665, 3204131, 4431245, 5950529, 16020655, 29752645, 41653703, 208268515]

約数ペア:

[(1, 208268515), (5, 41653703), (7, 29752645), (13, 16020655), (35, 5950529), (47, 4431245), (65, 3204131), (91, 2288665), (235, 886249), (329, 633035), (455, 457733), (611, 340865), (1645, 126607), (3055, 68173), (4277, 48695), (9739, 21385)]