81971284

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 154224000

約数和(自身を除く): 72252716

約数列:

[1, 2, 4, 29, 53, 58, 67, 106, 116, 134, 199, 212, 268, 398, 796, 1537, 1943, 3074, 3551, 3886, 5771, 6148, 7102, 7772, 10547, 11542, 13333, 14204, 21094, 23084, 26666, 42188, 53332, 102979, 205958, 305863, 386657, 411916, 611726, 706649, 773314, 1223452, 1413298, 1546628, 2826596, 20492821, 40985642, 81971284]

約数ペア:

[(1, 81971284), (2, 40985642), (4, 20492821), (29, 2826596), (53, 1546628), (58, 1413298), (67, 1223452), (106, 773314), (116, 706649), (134, 611726), (199, 411916), (212, 386657), (268, 305863), (398, 205958), (796, 102979), (1537, 53332), (1943, 42188), (3074, 26666), (3551, 23084), (3886, 21094), (5771, 14204), (6148, 13333), (7102, 11542), (7772, 10547)]