15721310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 15413794

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1091, 1310, 1441, 2182, 2882, 5455, 7205, 10910, 12001, 14410, 24002, 60005, 120010, 142921, 285842, 714605, 1429210, 1572131, 3144262, 7860655, 15721310]

約数ペア:

[(1, 15721310), (2, 7860655), (5, 3144262), (10, 1572131), (11, 1429210), (22, 714605), (55, 285842), (110, 142921), (131, 120010), (262, 60005), (655, 24002), (1091, 14410), (1310, 12001), (1441, 10910), (2182, 7205), (2882, 5455)]