28293485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{12547}}^1$

素因数の和:12604

約数の個数: 16

約数和(自身を含む): 37945152

約数和(自身を除く): 9651667

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 12547, 62735, 138017, 514427, 690085, 2572135, 5658697, 28293485]

約数ペア:

[(1, 28293485), (5, 5658697), (11, 2572135), (41, 690085), (55, 514427), (205, 138017), (451, 62735), (2255, 12547)]