81395904

素因数分解:

$2^6\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9859}}^1$

素因数の和:9917

約数の個数: 56

約数和(自身を含む): 220390720

約数和(自身を除く): 138994816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 129, 172, 192, 258, 344, 516, 688, 1032, 1376, 2064, 2752, 4128, 8256, 9859, 19718, 29577, 39436, 59154, 78872, 118308, 157744, 236616, 315488, 423937, 473232, 630976, 847874, 946464, 1271811, 1695748, 1892928, 2543622, 3391496, 5087244, 6782992, 10174488, 13565984, 20348976, 27131968, 40697952, 81395904]

約数ペア:

[(1, 81395904), (2, 40697952), (3, 27131968), (4, 20348976), (6, 13565984), (8, 10174488), (12, 6782992), (16, 5087244), (24, 3391496), (32, 2543622), (43, 1892928), (48, 1695748), (64, 1271811), (86, 946464), (96, 847874), (129, 630976), (172, 473232), (192, 423937), (258, 315488), (344, 236616), (516, 157744), (688, 118308), (1032, 78872), (1376, 59154), (2064, 39436), (2752, 29577), (4128, 19718), (8256, 9859)]