287277948

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{139999}}^1$

素因数の和:140031

約数の個数: 48

約数和(自身を含む): 784000000

約数和(自身を除く): 496722052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 139999, 279998, 419997, 559996, 839994, 1259991, 1679988, 2519982, 2659981, 3779973, 5039964, 5319962, 7559946, 7979943, 10639924, 15119892, 15959886, 23939829, 31919772, 47879658, 71819487, 95759316, 143638974, 287277948]

約数ペア:

[(1, 287277948), (2, 143638974), (3, 95759316), (4, 71819487), (6, 47879658), (9, 31919772), (12, 23939829), (18, 15959886), (19, 15119892), (27, 10639924), (36, 7979943), (38, 7559946), (54, 5319962), (57, 5039964), (76, 3779973), (108, 2659981), (114, 2519982), (171, 1679988), (228, 1259991), (342, 839994), (513, 559996), (684, 419997), (1026, 279998), (2052, 139999)]