81487756

素因数分解:

$2^2\times 7^1\times {\mathrm{1607}}^1\times {\mathrm{1811}}^1$

素因数の和:3429

約数の個数: 24

約数和(自身を含む): 163166976

約数和(自身を除く): 81679220

約数列:

[1, 2, 4, 7, 14, 28, 1607, 1811, 3214, 3622, 6428, 7244, 11249, 12677, 22498, 25354, 44996, 50708, 2910277, 5820554, 11641108, 20371939, 40743878, 81487756]

約数ペア:

[(1, 81487756), (2, 40743878), (4, 20371939), (7, 11641108), (14, 5820554), (28, 2910277), (1607, 50708), (1811, 44996), (3214, 25354), (3622, 22498), (6428, 12677), (7244, 11249)]