291052013

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{312623}}^1$

素因数の和:312656

約数の個数: 12

約数和(自身を含む): 356391360

約数和(自身を除く): 65339347

約数列:

[1, 7, 19, 49, 133, 931, 312623, 2188361, 5939837, 15318527, 41578859, 291052013]

約数ペア:

[(1, 291052013), (7, 41578859), (19, 15318527), (49, 5939837), (133, 2188361), (931, 312623)]