81563818

素因数分解:

$2^1\times 7^1\times {\mathrm{1811}}^1\times {\mathrm{3217}}^1$

素因数の和:5037

約数の個数: 16

約数和(自身を含む): 139944384

約数和(自身を除く): 58380566

約数列:

[1, 2, 7, 14, 1811, 3217, 3622, 6434, 12677, 22519, 25354, 45038, 5825987, 11651974, 40781909, 81563818]

約数ペア:

[(1, 81563818), (2, 40781909), (7, 11651974), (14, 5825987), (1811, 45038), (3217, 25354), (3622, 22519), (6434, 12677)]