257748504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{2251}}^1$

素因数の和:2640

約数の個数: 64

約数和(自身を含む): 696138240

約数和(自身を除く): 438389736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 367, 734, 1101, 1468, 2202, 2251, 2936, 4404, 4502, 4771, 6753, 8808, 9004, 9542, 13506, 14313, 18008, 19084, 27012, 28626, 29263, 38168, 54024, 57252, 58526, 87789, 114504, 117052, 175578, 234104, 351156, 702312, 826117, 1652234, 2478351, 3304468, 4956702, 6608936, 9913404, 10739521, 19826808, 21479042, 32218563, 42958084, 64437126, 85916168, 128874252, 257748504]

約数ペア:

[(1, 257748504), (2, 128874252), (3, 85916168), (4, 64437126), (6, 42958084), (8, 32218563), (12, 21479042), (13, 19826808), (24, 10739521), (26, 9913404), (39, 6608936), (52, 4956702), (78, 3304468), (104, 2478351), (156, 1652234), (312, 826117), (367, 702312), (734, 351156), (1101, 234104), (1468, 175578), (2202, 117052), (2251, 114504), (2936, 87789), (4404, 58526), (4502, 57252), (4771, 54024), (6753, 38168), (8808, 29263), (9004, 28626), (9542, 27012), (13506, 19084), (14313, 18008)]