287273714

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 557383680

約数和(自身を除く): 270109966

約数列:

[1, 2, 7, 13, 14, 26, 31, 59, 62, 91, 118, 182, 217, 403, 413, 434, 767, 806, 826, 863, 1534, 1726, 1829, 2821, 3658, 5369, 5642, 6041, 10738, 11219, 12082, 12803, 22438, 23777, 25606, 26753, 47554, 50917, 53506, 78533, 101834, 157066, 166439, 187271, 332878, 347789, 356419, 374542, 661921, 695578, 712838, 1323842, 1578427, 2434523, 3156854, 4633447, 4869046, 9266894, 11048989, 20519551, 22097978, 41039102, 143636857, 287273714]

約数ペア:

[(1, 287273714), (2, 143636857), (7, 41039102), (13, 22097978), (14, 20519551), (26, 11048989), (31, 9266894), (59, 4869046), (62, 4633447), (91, 3156854), (118, 2434523), (182, 1578427), (217, 1323842), (403, 712838), (413, 695578), (434, 661921), (767, 374542), (806, 356419), (826, 347789), (863, 332878), (1534, 187271), (1726, 166439), (1829, 157066), (2821, 101834), (3658, 78533), (5369, 53506), (5642, 50917), (6041, 47554), (10738, 26753), (11219, 25606), (12082, 23777), (12803, 22438)]