28981554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{690037}}^1$

素因数の和:690049

約数の個数: 16

約数和(自身を含む): 66243648

約数和(自身を除く): 37262094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 690037, 1380074, 2070111, 4140222, 4830259, 9660518, 14490777, 28981554]

約数ペア:

[(1, 28981554), (2, 14490777), (3, 9660518), (6, 4830259), (7, 4140222), (14, 2070111), (21, 1380074), (42, 690037)]