438956

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 895776

約数和(自身を除く): 456820

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 257, 427, 514, 854, 1028, 1708, 1799, 3598, 7196, 15677, 31354, 62708, 109739, 219478, 438956]

約数ペア:

[(1, 438956), (2, 219478), (4, 109739), (7, 62708), (14, 31354), (28, 15677), (61, 7196), (122, 3598), (244, 1799), (257, 1708), (427, 1028), (514, 854)]