56438837

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2161}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 72461592

約数和(自身を除く): 16022755

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 2009, 2161, 3731, 15127, 26117, 28093, 88601, 105889, 196651, 620207, 1151813, 1376557, 4341449, 8062691, 56438837]

約数ペア:

[(1, 56438837), (7, 8062691), (13, 4341449), (41, 1376557), (49, 1151813), (91, 620207), (287, 196651), (533, 105889), (637, 88601), (2009, 28093), (2161, 26117), (3731, 15127)]