13945525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 21159360

約数和(自身を除く): 7213835

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 157, 187, 209, 275, 323, 425, 475, 785, 935, 1045, 1615, 1727, 2669, 2983, 3553, 3925, 4675, 5225, 8075, 8635, 13345, 14915, 17765, 29359, 32813, 43175, 50711, 66725, 74575, 88825, 146795, 164065, 253555, 557821, 733975, 820325, 1267775, 2789105, 13945525]

約数ペア:

[(1, 13945525), (5, 2789105), (11, 1267775), (17, 820325), (19, 733975), (25, 557821), (55, 253555), (85, 164065), (95, 146795), (157, 88825), (187, 74575), (209, 66725), (275, 50711), (323, 43175), (425, 32813), (475, 29359), (785, 17765), (935, 14915), (1045, 13345), (1615, 8635), (1727, 8075), (2669, 5225), (2983, 4675), (3553, 3925)]