289972145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{673}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 381721248

約数和(自身を除く): 91749103

約数列:

[1, 5, 17, 37, 85, 137, 185, 629, 673, 685, 2329, 3145, 3365, 5069, 11441, 11645, 24901, 25345, 57205, 86173, 92201, 124505, 423317, 430865, 461005, 1567417, 2116585, 3411437, 7837085, 17057185, 57994429, 289972145]

約数ペア:

[(1, 289972145), (5, 57994429), (17, 17057185), (37, 7837085), (85, 3411437), (137, 2116585), (185, 1567417), (629, 461005), (673, 430865), (685, 423317), (2329, 124505), (3145, 92201), (3365, 86173), (5069, 57205), (11441, 25345), (11645, 24901)]