27799328

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 29082112

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 89, 172, 178, 227, 344, 356, 454, 688, 712, 908, 1376, 1424, 1816, 2848, 3632, 3827, 7264, 7654, 9761, 15308, 19522, 20203, 30616, 39044, 40406, 61232, 78088, 80812, 122464, 156176, 161624, 312352, 323248, 646496, 868729, 1737458, 3474916, 6949832, 13899664, 27799328]

約数ペア:

[(1, 27799328), (2, 13899664), (4, 6949832), (8, 3474916), (16, 1737458), (32, 868729), (43, 646496), (86, 323248), (89, 312352), (172, 161624), (178, 156176), (227, 122464), (344, 80812), (356, 78088), (454, 61232), (688, 40406), (712, 39044), (908, 30616), (1376, 20203), (1424, 19522), (1816, 15308), (2848, 9761), (3632, 7654), (3827, 7264)]