68089984

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 141372000

約数和(自身を除く): 73282016

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 89, 128, 139, 172, 178, 278, 344, 356, 556, 688, 712, 1112, 1376, 1424, 2224, 2752, 2848, 3827, 4448, 5504, 5696, 5977, 7654, 8896, 11392, 11954, 12371, 15308, 17792, 23908, 24742, 30616, 47816, 49484, 61232, 95632, 98968, 122464, 191264, 197936, 244928, 382528, 395872, 489856, 531953, 765056, 791744, 1063906, 1583488, 2127812, 4255624, 8511248, 17022496, 34044992, 68089984]

約数ペア:

[(1, 68089984), (2, 34044992), (4, 17022496), (8, 8511248), (16, 4255624), (32, 2127812), (43, 1583488), (64, 1063906), (86, 791744), (89, 765056), (128, 531953), (139, 489856), (172, 395872), (178, 382528), (278, 244928), (344, 197936), (356, 191264), (556, 122464), (688, 98968), (712, 95632), (1112, 61232), (1376, 49484), (1424, 47816), (2224, 30616), (2752, 24742), (2848, 23908), (3827, 17792), (4448, 15308), (5504, 12371), (5696, 11954), (5977, 11392), (7654, 8896)]