256809952

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1193}}^1$

素因数の和:1272

約数の個数: 72

約数和(自身を含む): 597563568

約数和(自身を除く): 340753616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 961, 992, 1193, 1736, 1922, 2386, 3472, 3844, 4772, 6727, 6944, 7688, 8351, 9544, 13454, 15376, 16702, 19088, 26908, 30752, 33404, 36983, 38176, 53816, 66808, 73966, 107632, 133616, 147932, 215264, 258881, 267232, 295864, 517762, 591728, 1035524, 1146473, 1183456, 2071048, 2292946, 4142096, 4585892, 8025311, 8284192, 9171784, 16050622, 18343568, 32101244, 36687136, 64202488, 128404976, 256809952]

約数ペア:

[(1, 256809952), (2, 128404976), (4, 64202488), (7, 36687136), (8, 32101244), (14, 18343568), (16, 16050622), (28, 9171784), (31, 8284192), (32, 8025311), (56, 4585892), (62, 4142096), (112, 2292946), (124, 2071048), (217, 1183456), (224, 1146473), (248, 1035524), (434, 591728), (496, 517762), (868, 295864), (961, 267232), (992, 258881), (1193, 215264), (1736, 147932), (1922, 133616), (2386, 107632), (3472, 73966), (3844, 66808), (4772, 53816), (6727, 38176), (6944, 36983), (7688, 33404), (8351, 30752), (9544, 26908), (13454, 19088), (15376, 16702)]