261755274

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 586994688

約数和(自身を除く): 325239414

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 83, 142, 166, 213, 249, 426, 498, 673, 781, 913, 1346, 1562, 1826, 2019, 2343, 2739, 4038, 4686, 5478, 5893, 7403, 11786, 14806, 17679, 22209, 35358, 44418, 47783, 55859, 64823, 95566, 111718, 129646, 143349, 167577, 194469, 286698, 335154, 388938, 525613, 614449, 1051226, 1228898, 1576839, 1843347, 3153678, 3686694, 3965989, 7931978, 11897967, 23795934, 43625879, 87251758, 130877637, 261755274]

約数ペア:

[(1, 261755274), (2, 130877637), (3, 87251758), (6, 43625879), (11, 23795934), (22, 11897967), (33, 7931978), (66, 3965989), (71, 3686694), (83, 3153678), (142, 1843347), (166, 1576839), (213, 1228898), (249, 1051226), (426, 614449), (498, 525613), (673, 388938), (781, 335154), (913, 286698), (1346, 194469), (1562, 167577), (1826, 143349), (2019, 129646), (2343, 111718), (2739, 95566), (4038, 64823), (4686, 55859), (5478, 47783), (5893, 44418), (7403, 35358), (11786, 22209), (14806, 17679)]