81328394

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2549}}^1$

素因数の和:2654

約数の個数: 32

約数和(自身を含む): 145411200

約数和(自身を除く): 64082806

約数列:

[1, 2, 7, 14, 43, 53, 86, 106, 301, 371, 602, 742, 2279, 2549, 4558, 5098, 15953, 17843, 31906, 35686, 109607, 135097, 219214, 270194, 767249, 945679, 1534498, 1891358, 5809171, 11618342, 40664197, 81328394]

約数ペア:

[(1, 81328394), (2, 40664197), (7, 11618342), (14, 5809171), (43, 1891358), (53, 1534498), (86, 945679), (106, 767249), (301, 270194), (371, 219214), (602, 135097), (742, 109607), (2279, 35686), (2549, 31906), (4558, 17843), (5098, 15953)]