257068945

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 370476288

約数和(自身を除く): 113407343

約数列:

[1, 5, 7, 35, 49, 61, 103, 167, 245, 305, 427, 515, 721, 835, 1169, 2135, 2989, 3605, 5047, 5845, 6283, 8183, 10187, 14945, 17201, 25235, 31415, 40915, 43981, 50935, 71309, 86005, 120407, 219905, 307867, 356545, 499163, 602035, 842849, 1049261, 1539335, 2495815, 4214245, 5246305, 7344827, 36724135, 51413789, 257068945]

約数ペア:

[(1, 257068945), (5, 51413789), (7, 36724135), (35, 7344827), (49, 5246305), (61, 4214245), (103, 2495815), (167, 1539335), (245, 1049261), (305, 842849), (427, 602035), (515, 499163), (721, 356545), (835, 307867), (1169, 219905), (2135, 120407), (2989, 86005), (3605, 71309), (5047, 50935), (5845, 43981), (6283, 40915), (8183, 31415), (10187, 25235), (14945, 17201)]