1902161779

素因数分解:

$7^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1\times {\mathrm{2297}}^1$

素因数の和:3006

約数の個数: 16

約数和(自身を含む): 2187769536

約数和(自身を除く): 285607757

約数列:

[1, 7, 281, 421, 1967, 2297, 2947, 16079, 118301, 645457, 828107, 967037, 4518199, 6769259, 271737397, 1902161779]

約数ペア:

[(1, 1902161779), (7, 271737397), (281, 6769259), (421, 4518199), (1967, 967037), (2297, 828107), (2947, 645457), (16079, 118301)]