257052992

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 112

約数和(自身を含む): 611745792

約数和(自身を除く): 354692800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 83, 112, 124, 166, 217, 223, 224, 248, 332, 434, 446, 448, 496, 581, 664, 868, 892, 992, 1162, 1328, 1561, 1736, 1784, 1984, 2324, 2573, 2656, 3122, 3472, 3568, 4648, 5146, 5312, 6244, 6913, 6944, 7136, 9296, 10292, 12488, 13826, 13888, 14272, 18011, 18509, 18592, 20584, 24976, 27652, 36022, 37018, 37184, 41168, 48391, 49952, 55304, 72044, 74036, 82336, 96782, 99904, 110608, 129563, 144088, 148072, 164672, 193564, 221216, 259126, 288176, 296144, 387128, 442432, 518252, 573779, 576352, 592288, 774256, 1036504, 1147558, 1152704, 1184576, 1548512, 2073008, 2295116, 3097024, 4016453, 4146016, 4590232, 8032906, 8292032, 9180464, 16065812, 18360928, 32131624, 36721856, 64263248, 128526496, 257052992]

約数ペア:

[(1, 257052992), (2, 128526496), (4, 64263248), (7, 36721856), (8, 32131624), (14, 18360928), (16, 16065812), (28, 9180464), (31, 8292032), (32, 8032906), (56, 4590232), (62, 4146016), (64, 4016453), (83, 3097024), (112, 2295116), (124, 2073008), (166, 1548512), (217, 1184576), (223, 1152704), (224, 1147558), (248, 1036504), (332, 774256), (434, 592288), (446, 576352), (448, 573779), (496, 518252), (581, 442432), (664, 387128), (868, 296144), (892, 288176), (992, 259126), (1162, 221216), (1328, 193564), (1561, 164672), (1736, 148072), (1784, 144088), (1984, 129563), (2324, 110608), (2573, 99904), (2656, 96782), (3122, 82336), (3472, 74036), (3568, 72044), (4648, 55304), (5146, 49952), (5312, 48391), (6244, 41168), (6913, 37184), (6944, 37018), (7136, 36022), (9296, 27652), (10292, 24976), (12488, 20584), (13826, 18592), (13888, 18509), (14272, 18011)]