25447345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 38405376

約数和(自身を除く): 12958031

約数列:

[1, 5, 7, 11, 35, 55, 77, 157, 385, 421, 785, 1099, 1727, 2105, 2947, 4631, 5495, 8635, 12089, 14735, 23155, 32417, 60445, 66097, 162085, 330485, 462679, 727067, 2313395, 3635335, 5089469, 25447345]

約数ペア:

[(1, 25447345), (5, 5089469), (7, 3635335), (11, 2313395), (35, 727067), (55, 462679), (77, 330485), (157, 162085), (385, 66097), (421, 60445), (785, 32417), (1099, 23155), (1727, 14735), (2105, 12089), (2947, 8635), (4631, 5495)]