25785006

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 56920320

約数和(自身を除く): 31135314

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 169, 177, 338, 354, 431, 507, 767, 862, 1014, 1293, 1534, 2301, 2586, 4602, 5603, 9971, 11206, 16809, 19942, 25429, 29913, 33618, 50858, 59826, 72839, 76287, 145678, 152574, 218517, 330577, 437034, 661154, 991731, 1983462, 4297501, 8595002, 12892503, 25785006]

約数ペア:

[(1, 25785006), (2, 12892503), (3, 8595002), (6, 4297501), (13, 1983462), (26, 991731), (39, 661154), (59, 437034), (78, 330577), (118, 218517), (169, 152574), (177, 145678), (338, 76287), (354, 72839), (431, 59826), (507, 50858), (767, 33618), (862, 29913), (1014, 25429), (1293, 19942), (1534, 16809), (2301, 11206), (2586, 9971), (4602, 5603)]