251012545

素因数分解:

$5^1\times 7^5\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 367061760

約数和(自身を除く): 116049215

約数列:

[1, 5, 7, 29, 35, 49, 103, 145, 203, 245, 343, 515, 721, 1015, 1421, 1715, 2401, 2987, 3605, 5047, 7105, 9947, 12005, 14935, 16807, 20909, 25235, 35329, 49735, 69629, 84035, 104545, 146363, 176645, 247303, 348145, 487403, 731815, 1024541, 1236515, 1731121, 2437015, 5122705, 7171787, 8655605, 35858935, 50202509, 251012545]

約数ペア:

[(1, 251012545), (5, 50202509), (7, 35858935), (29, 8655605), (35, 7171787), (49, 5122705), (103, 2437015), (145, 1731121), (203, 1236515), (245, 1024541), (343, 731815), (515, 487403), (721, 348145), (1015, 247303), (1421, 176645), (1715, 146363), (2401, 104545), (2987, 84035), (3605, 69629), (5047, 49735), (7105, 35329), (9947, 25235), (12005, 20909), (14935, 16807)]