2789105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 4095360

約数和(自身を除く): 1306255

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 157, 187, 209, 323, 785, 935, 1045, 1615, 1727, 2669, 2983, 3553, 8635, 13345, 14915, 17765, 29359, 32813, 50711, 146795, 164065, 253555, 557821, 2789105]

約数ペア:

[(1, 2789105), (5, 557821), (11, 253555), (17, 164065), (19, 146795), (55, 50711), (85, 32813), (95, 29359), (157, 17765), (187, 14915), (209, 13345), (323, 8635), (785, 3553), (935, 2983), (1045, 2669), (1615, 1727)]