25157972

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2731}}^1$

素因数の和:2796

約数の個数: 36

約数和(自身を含む): 52323264

約数和(自身を除く): 27165292

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2303, 2731, 4606, 5462, 9212, 10924, 19117, 38234, 76468, 128357, 133819, 256714, 267638, 513428, 535276, 898499, 1796998, 3593996, 6289493, 12578986, 25157972]

約数ペア:

[(1, 25157972), (2, 12578986), (4, 6289493), (7, 3593996), (14, 1796998), (28, 898499), (47, 535276), (49, 513428), (94, 267638), (98, 256714), (188, 133819), (196, 128357), (329, 76468), (658, 38234), (1316, 19117), (2303, 10924), (2731, 9212), (4606, 5462)]