16017925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 25391232

約数和(自身を除く): 9373307

約数列:

[1, 5, 7, 11, 25, 35, 53, 55, 77, 157, 175, 265, 275, 371, 385, 583, 785, 1099, 1325, 1727, 1855, 1925, 2915, 3925, 4081, 5495, 8321, 8635, 9275, 12089, 14575, 20405, 27475, 41605, 43175, 58247, 60445, 91531, 102025, 208025, 291235, 302225, 457655, 640717, 1456175, 2288275, 3203585, 16017925]

約数ペア:

[(1, 16017925), (5, 3203585), (7, 2288275), (11, 1456175), (25, 640717), (35, 457655), (53, 302225), (55, 291235), (77, 208025), (157, 102025), (175, 91531), (265, 60445), (275, 58247), (371, 43175), (385, 41605), (583, 27475), (785, 20405), (1099, 14575), (1325, 12089), (1727, 9275), (1855, 8635), (1925, 8321), (2915, 5495), (3925, 4081)]