81101972

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{6451}}^1$

素因数の和:6911

約数の個数: 24

約数和(自身を含む): 162590400

約数和(自身を除く): 81488428

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1796, 3143, 6286, 6451, 12572, 12902, 25804, 45157, 90314, 180628, 2896499, 5792998, 11585996, 20275493, 40550986, 81101972]

約数ペア:

[(1, 81101972), (2, 40550986), (4, 20275493), (7, 11585996), (14, 5792998), (28, 2896499), (449, 180628), (898, 90314), (1796, 45157), (3143, 25804), (6286, 12902), (6451, 12572)]