25197978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 59415552

約数和(自身を除く): 34217574

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 403, 442, 527, 613, 663, 806, 1054, 1209, 1226, 1326, 1581, 1839, 2418, 3162, 3678, 6851, 7969, 10421, 13702, 15938, 19003, 20553, 20842, 23907, 31263, 38006, 41106, 47814, 57009, 62526, 114018, 135473, 247039, 270946, 323051, 406419, 494078, 646102, 741117, 812838, 969153, 1482234, 1938306, 4199663, 8399326, 12598989, 25197978]

約数ペア:

[(1, 25197978), (2, 12598989), (3, 8399326), (6, 4199663), (13, 1938306), (17, 1482234), (26, 969153), (31, 812838), (34, 741117), (39, 646102), (51, 494078), (62, 406419), (78, 323051), (93, 270946), (102, 247039), (186, 135473), (221, 114018), (403, 62526), (442, 57009), (527, 47814), (613, 41106), (663, 38006), (806, 31263), (1054, 23907), (1209, 20842), (1226, 20553), (1326, 19003), (1581, 15938), (1839, 13702), (2418, 10421), (3162, 7969), (3678, 6851)]