257291272

素因数分解:

$2^3\times 7^1\times {\mathrm{1367}}^1\times {\mathrm{3361}}^1$

素因数の和:4741

約数の個数: 32

約数和(自身を含む): 551905920

約数和(自身を除く): 294614648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1367, 2734, 3361, 5468, 6722, 9569, 10936, 13444, 19138, 23527, 26888, 38276, 47054, 76552, 94108, 188216, 4594487, 9188974, 18377948, 32161409, 36755896, 64322818, 128645636, 257291272]

約数ペア:

[(1, 257291272), (2, 128645636), (4, 64322818), (7, 36755896), (8, 32161409), (14, 18377948), (28, 9188974), (56, 4594487), (1367, 188216), (2734, 94108), (3361, 76552), (5468, 47054), (6722, 38276), (9569, 26888), (10936, 23527), (13444, 19138)]