391414912

素因数分解:

$2^7\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1123}}^1$

素因数の和:1533

約数の個数: 64

約数和(自身を含む): 894254400

約数和(自身を除く): 502839488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 389, 448, 778, 896, 1123, 1556, 2246, 2723, 3112, 4492, 5446, 6224, 7861, 8984, 10892, 12448, 15722, 17968, 21784, 24896, 31444, 35936, 43568, 49792, 62888, 71872, 87136, 125776, 143744, 174272, 251552, 348544, 436847, 503104, 873694, 1006208, 1747388, 3057929, 3494776, 6115858, 6989552, 12231716, 13979104, 24463432, 27958208, 48926864, 55916416, 97853728, 195707456, 391414912]

約数ペア:

[(1, 391414912), (2, 195707456), (4, 97853728), (7, 55916416), (8, 48926864), (14, 27958208), (16, 24463432), (28, 13979104), (32, 12231716), (56, 6989552), (64, 6115858), (112, 3494776), (128, 3057929), (224, 1747388), (389, 1006208), (448, 873694), (778, 503104), (896, 436847), (1123, 348544), (1556, 251552), (2246, 174272), (2723, 143744), (3112, 125776), (4492, 87136), (5446, 71872), (6224, 62888), (7861, 49792), (8984, 43568), (10892, 35936), (12448, 31444), (15722, 24896), (17968, 21784)]