257069428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{834641}}^1$

素因数の和:834663

約数の個数: 24

約数和(自身を含む): 560879424

約数和(自身を除く): 303809996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 834641, 1669282, 3338564, 5842487, 9181051, 11684974, 18362102, 23369948, 36724204, 64267357, 128534714, 257069428]

約数ペア:

[(1, 257069428), (2, 128534714), (4, 64267357), (7, 36724204), (11, 23369948), (14, 18362102), (22, 11684974), (28, 9181051), (44, 5842487), (77, 3338564), (154, 1669282), (308, 834641)]