81129412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{222883}}^1$

素因数の和:222907

約数の個数: 24

約数和(自身を含む): 174741056

約数和(自身を除く): 93611644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 222883, 445766, 891532, 1560181, 2897479, 3120362, 5794958, 6240724, 11589916, 20282353, 40564706, 81129412]

約数ペア:

[(1, 81129412), (2, 40564706), (4, 20282353), (7, 11589916), (13, 6240724), (14, 5794958), (26, 3120362), (28, 2897479), (52, 1560181), (91, 891532), (182, 445766), (364, 222883)]