256097219

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 320993280

約数和(自身を除く): 64896061

約数列:

[1, 7, 19, 47, 53, 133, 329, 371, 773, 893, 1007, 2491, 5411, 6251, 7049, 14687, 17437, 36331, 40969, 47329, 102809, 254317, 286783, 331303, 690289, 778411, 1925543, 4832023, 5448877, 13478801, 36585317, 256097219]

約数ペア:

[(1, 256097219), (7, 36585317), (19, 13478801), (47, 5448877), (53, 4832023), (133, 1925543), (329, 778411), (371, 690289), (773, 331303), (893, 286783), (1007, 254317), (2491, 102809), (5411, 47329), (6251, 40969), (7049, 36331), (14687, 17437)]