131019896

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{6481}}^1$

素因数の和:6532

約数の個数: 48

約数和(自身を含む): 296357040

約数和(自身を除く): 165337144

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 1064, 1444, 2527, 2888, 5054, 6481, 10108, 12962, 20216, 25924, 45367, 51848, 90734, 123139, 181468, 246278, 362936, 492556, 861973, 985112, 1723946, 2339641, 3447892, 4679282, 6895784, 9358564, 16377487, 18717128, 32754974, 65509948, 131019896]

約数ペア:

[(1, 131019896), (2, 65509948), (4, 32754974), (7, 18717128), (8, 16377487), (14, 9358564), (19, 6895784), (28, 4679282), (38, 3447892), (56, 2339641), (76, 1723946), (133, 985112), (152, 861973), (266, 492556), (361, 362936), (532, 246278), (722, 181468), (1064, 123139), (1444, 90734), (2527, 51848), (2888, 45367), (5054, 25924), (6481, 20216), (10108, 12962)]