81451396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{14639}}^1$

素因数の和:14763

約数の個数: 24

約数和(自身を含む): 154949760

約数和(自身を除く): 73498364

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 5564, 14639, 29278, 58556, 190307, 380614, 761228, 1566373, 3132746, 6265492, 20362849, 40725698, 81451396]

約数ペア:

[(1, 81451396), (2, 40725698), (4, 20362849), (13, 6265492), (26, 3132746), (52, 1566373), (107, 761228), (214, 380614), (428, 190307), (1391, 58556), (2782, 29278), (5564, 14639)]