255519299

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 320702976

約数和(自身を除く): 65183677

約数列:

[1, 7, 17, 37, 119, 131, 259, 443, 629, 917, 2227, 3101, 4403, 4847, 7531, 15589, 16391, 33929, 52717, 58033, 82399, 114737, 278647, 406231, 576793, 986561, 1950529, 2147221, 6905927, 15030547, 36502757, 255519299]

約数ペア:

[(1, 255519299), (7, 36502757), (17, 15030547), (37, 6905927), (119, 2147221), (131, 1950529), (259, 986561), (443, 576793), (629, 406231), (917, 278647), (2227, 114737), (3101, 82399), (4403, 58033), (4847, 52717), (7531, 33929), (15589, 16391)]