2983988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 6451200

約数和(自身を除く): 3467212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 79, 133, 142, 158, 266, 284, 316, 497, 532, 553, 994, 1106, 1349, 1501, 1988, 2212, 2698, 3002, 5396, 5609, 6004, 9443, 10507, 11218, 18886, 21014, 22436, 37772, 39263, 42028, 78526, 106571, 157052, 213142, 426284, 745997, 1491994, 2983988]

約数ペア:

[(1, 2983988), (2, 1491994), (4, 745997), (7, 426284), (14, 213142), (19, 157052), (28, 106571), (38, 78526), (71, 42028), (76, 39263), (79, 37772), (133, 22436), (142, 21014), (158, 18886), (266, 11218), (284, 10507), (316, 9443), (497, 6004), (532, 5609), (553, 5396), (994, 3002), (1106, 2698), (1349, 2212), (1501, 1988)]