25457068

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 56932512

約数和(自身を除く): 31475444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 97, 98, 103, 182, 194, 196, 206, 364, 388, 412, 637, 679, 721, 1261, 1274, 1339, 1358, 1442, 2522, 2548, 2678, 2716, 2884, 4753, 5044, 5047, 5356, 8827, 9373, 9506, 9991, 10094, 17654, 18746, 19012, 19982, 20188, 35308, 37492, 39964, 61789, 65611, 69937, 123578, 129883, 131222, 139874, 247156, 259766, 262444, 279748, 489559, 519532, 909181, 979118, 1818362, 1958236, 3636724, 6364267, 12728534, 25457068]

約数ペア:

[(1, 25457068), (2, 12728534), (4, 6364267), (7, 3636724), (13, 1958236), (14, 1818362), (26, 979118), (28, 909181), (49, 519532), (52, 489559), (91, 279748), (97, 262444), (98, 259766), (103, 247156), (182, 139874), (194, 131222), (196, 129883), (206, 123578), (364, 69937), (388, 65611), (412, 61789), (637, 39964), (679, 37492), (721, 35308), (1261, 20188), (1274, 19982), (1339, 19012), (1358, 18746), (1442, 17654), (2522, 10094), (2548, 9991), (2678, 9506), (2716, 9373), (2884, 8827), (4753, 5356), (5044, 5047)]