26390992

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 53032320

約数和(自身を除く): 26641328

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 431, 688, 712, 862, 1424, 1724, 3448, 3827, 6896, 7654, 15308, 18533, 30616, 37066, 38359, 61232, 74132, 76718, 148264, 153436, 296528, 306872, 613744, 1649437, 3298874, 6597748, 13195496, 26390992]

約数ペア:

[(1, 26390992), (2, 13195496), (4, 6597748), (8, 3298874), (16, 1649437), (43, 613744), (86, 306872), (89, 296528), (172, 153436), (178, 148264), (344, 76718), (356, 74132), (431, 61232), (688, 38359), (712, 37066), (862, 30616), (1424, 18533), (1724, 15308), (3448, 7654), (3827, 6896)]