25420822

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 46183680

約数和(自身を除く): 20762858

約数列:

[1, 2, 7, 14, 19, 38, 133, 227, 266, 421, 454, 842, 1589, 2947, 3178, 4313, 5894, 7999, 8626, 15998, 30191, 55993, 60382, 95567, 111986, 191134, 668969, 1337938, 1815773, 3631546, 12710411, 25420822]

約数ペア:

[(1, 25420822), (2, 12710411), (7, 3631546), (14, 1815773), (19, 1337938), (38, 668969), (133, 191134), (227, 111986), (266, 95567), (421, 60382), (454, 55993), (842, 30191), (1589, 15998), (2947, 8626), (3178, 7999), (4313, 5894)]