42865396

素因数分解:

$2^2\times 7^3\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 88480000

約数和(自身を除く): 45614604

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 157, 196, 199, 314, 343, 398, 628, 686, 796, 1099, 1372, 1393, 2198, 2786, 4396, 5572, 7693, 9751, 15386, 19502, 30772, 31243, 39004, 53851, 62486, 68257, 107702, 124972, 136514, 215404, 218701, 273028, 437402, 874804, 1530907, 3061814, 6123628, 10716349, 21432698, 42865396]

約数ペア:

[(1, 42865396), (2, 21432698), (4, 10716349), (7, 6123628), (14, 3061814), (28, 1530907), (49, 874804), (98, 437402), (157, 273028), (196, 218701), (199, 215404), (314, 136514), (343, 124972), (398, 107702), (628, 68257), (686, 62486), (796, 53851), (1099, 39004), (1372, 31243), (1393, 30772), (2198, 19502), (2786, 15386), (4396, 9751), (5572, 7693)]