81145792

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13933}}^1$

素因数の和:13965

約数の個数: 56

約数和(自身を含む): 198197216

約数和(自身を除く): 117051424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 13933, 27866, 55732, 97531, 111464, 181129, 195062, 222928, 362258, 390124, 445856, 724516, 780248, 891712, 1267903, 1449032, 1560496, 2535806, 2898064, 3120992, 5071612, 5796128, 6241984, 10143224, 11592256, 20286448, 40572896, 81145792]

約数ペア:

[(1, 81145792), (2, 40572896), (4, 20286448), (7, 11592256), (8, 10143224), (13, 6241984), (14, 5796128), (16, 5071612), (26, 3120992), (28, 2898064), (32, 2535806), (52, 1560496), (56, 1449032), (64, 1267903), (91, 891712), (104, 780248), (112, 724516), (182, 445856), (208, 390124), (224, 362258), (364, 222928), (416, 195062), (448, 181129), (728, 111464), (832, 97531), (1456, 55732), (2912, 27866), (5824, 13933)]