12156955972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{321851}}^1$

素因数の和:321952

約数の個数: 48

約数和(自身を含む): 25954145280

約数和(自身を除く): 13797189308

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 994, 1349, 1988, 2698, 5396, 9443, 18886, 37772, 321851, 643702, 1287404, 2252957, 4505914, 6115169, 9011828, 12230338, 22851421, 24460676, 42806183, 45702842, 85612366, 91405684, 159959947, 171224732, 319919894, 434176999, 639839788, 868353998, 1736707996, 3039238993, 6078477986, 12156955972]

約数ペア:

[(1, 12156955972), (2, 6078477986), (4, 3039238993), (7, 1736707996), (14, 868353998), (19, 639839788), (28, 434176999), (38, 319919894), (71, 171224732), (76, 159959947), (133, 91405684), (142, 85612366), (266, 45702842), (284, 42806183), (497, 24460676), (532, 22851421), (994, 12230338), (1349, 9011828), (1988, 6115169), (2698, 4505914), (5396, 2252957), (9443, 1287404), (18886, 643702), (37772, 321851)]