255664145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2029}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 350784000

約数和(自身を除く): 95119855

約数列:

[1, 5, 11, 29, 55, 79, 145, 319, 395, 869, 1595, 2029, 2291, 4345, 10145, 11455, 22319, 25201, 58841, 111595, 126005, 160291, 294205, 647251, 801455, 1763201, 3236255, 4648439, 8816005, 23242195, 51132829, 255664145]

約数ペア:

[(1, 255664145), (5, 51132829), (11, 23242195), (29, 8816005), (55, 4648439), (79, 3236255), (145, 1763201), (319, 801455), (395, 647251), (869, 294205), (1595, 160291), (2029, 126005), (2291, 111595), (4345, 58841), (10145, 25201), (11455, 22319)]