255146038

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 473241600

約数和(自身を除く): 218095562

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 103, 157, 161, 206, 314, 322, 343, 686, 721, 1099, 1127, 1442, 2198, 2254, 2369, 3611, 4738, 5047, 7222, 7693, 7889, 10094, 15386, 15778, 16171, 16583, 25277, 32342, 33166, 35329, 50554, 53851, 70658, 107702, 113197, 116081, 176939, 226394, 232162, 353878, 371933, 743866, 792379, 812567, 1238573, 1584758, 1625134, 2477146, 2603531, 5207062, 5546653, 11093306, 18224717, 36449434, 127573019, 255146038]

約数ペア:

[(1, 255146038), (2, 127573019), (7, 36449434), (14, 18224717), (23, 11093306), (46, 5546653), (49, 5207062), (98, 2603531), (103, 2477146), (157, 1625134), (161, 1584758), (206, 1238573), (314, 812567), (322, 792379), (343, 743866), (686, 371933), (721, 353878), (1099, 232162), (1127, 226394), (1442, 176939), (2198, 116081), (2254, 113197), (2369, 107702), (3611, 70658), (4738, 53851), (5047, 50554), (7222, 35329), (7693, 33166), (7889, 32342), (10094, 25277), (15386, 16583), (15778, 16171)]