13180876

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 23783760

約数和(自身を除く): 10602884

約数列:

[1, 2, 4, 43, 86, 172, 197, 389, 394, 778, 788, 1556, 8471, 16727, 16942, 33454, 33884, 66908, 76633, 153266, 306532, 3295219, 6590438, 13180876]

約数ペア:

[(1, 13180876), (2, 6590438), (4, 3295219), (43, 306532), (86, 153266), (172, 76633), (197, 66908), (389, 33884), (394, 33454), (778, 16942), (788, 16727), (1556, 8471)]