25369316

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 53088000

約数和(自身を除く): 27718684

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 157, 199, 203, 314, 398, 406, 628, 796, 812, 1099, 1393, 2198, 2786, 4396, 4553, 5572, 5771, 9106, 11542, 18212, 23084, 31243, 31871, 40397, 62486, 63742, 80794, 124972, 127484, 161588, 218701, 437402, 874804, 906047, 1812094, 3624188, 6342329, 12684658, 25369316]

約数ペア:

[(1, 25369316), (2, 12684658), (4, 6342329), (7, 3624188), (14, 1812094), (28, 906047), (29, 874804), (58, 437402), (116, 218701), (157, 161588), (199, 127484), (203, 124972), (314, 80794), (398, 63742), (406, 62486), (628, 40397), (796, 31871), (812, 31243), (1099, 23084), (1393, 18212), (2198, 11542), (2786, 9106), (4396, 5771), (4553, 5572)]