28144655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1783}}^1$

素因数の和:1847

約数の個数: 32

約数和(自身を含む): 43158528

約数和(自身を除く): 15013873

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 1435, 1783, 2255, 3157, 8915, 12481, 15785, 19613, 62405, 73103, 98065, 137291, 365515, 511721, 686455, 804133, 2558605, 4020665, 5628931, 28144655]

約数ペア:

[(1, 28144655), (5, 5628931), (7, 4020665), (11, 2558605), (35, 804133), (41, 686455), (55, 511721), (77, 365515), (205, 137291), (287, 98065), (385, 73103), (451, 62405), (1435, 19613), (1783, 15785), (2255, 12481), (3157, 8915)]