15721311242

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1\times {\mathrm{2633}}^1$

素因数の和:3327

約数の個数: 64

約数和(自身を含む): 29630603520

約数和(自身を除く): 13909292278

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 619, 689, 742, 1238, 1378, 2633, 4333, 4823, 5266, 8047, 8666, 9646, 16094, 18431, 32807, 34229, 36862, 56329, 65614, 68458, 112658, 139549, 229649, 239603, 279098, 426491, 459298, 479206, 852982, 976843, 1629827, 1814137, 1953686, 2985437, 3259654, 3628274, 5970874, 11408789, 12698959, 21187751, 22817578, 25397918, 42375502, 86380831, 148314257, 172761662, 296628514, 604665817, 1122950803, 1209331634, 2245901606, 7860655621, 15721311242]

約数ペア:

[(1, 15721311242), (2, 7860655621), (7, 2245901606), (13, 1209331634), (14, 1122950803), (26, 604665817), (53, 296628514), (91, 172761662), (106, 148314257), (182, 86380831), (371, 42375502), (619, 25397918), (689, 22817578), (742, 21187751), (1238, 12698959), (1378, 11408789), (2633, 5970874), (4333, 3628274), (4823, 3259654), (5266, 2985437), (8047, 1953686), (8666, 1814137), (9646, 1629827), (16094, 976843), (18431, 852982), (32807, 479206), (34229, 459298), (36862, 426491), (56329, 279098), (65614, 239603), (68458, 229649), (112658, 139549)]