13978415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6869}}^1$

素因数の和:6922

約数の個数: 16

約数和(自身を含む): 18796320

約数和(自身を除く): 4817905

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 6869, 34345, 75559, 254153, 377795, 1270765, 2795683, 13978415]

約数ペア:

[(1, 13978415), (5, 2795683), (11, 1270765), (37, 377795), (55, 254153), (185, 75559), (407, 34345), (2035, 6869)]