159552016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17839}}^1$

素因数の和:17903

約数の個数: 40

約数和(自身を含む): 340672640

約数和(自身を除く): 181120624

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 17839, 35678, 71356, 142712, 231907, 285424, 463814, 767077, 927628, 1534154, 1855256, 3068308, 3710512, 6136616, 9972001, 12273232, 19944002, 39888004, 79776008, 159552016]

約数ペア:

[(1, 159552016), (2, 79776008), (4, 39888004), (8, 19944002), (13, 12273232), (16, 9972001), (26, 6136616), (43, 3710512), (52, 3068308), (86, 1855256), (104, 1534154), (172, 927628), (208, 767077), (344, 463814), (559, 285424), (688, 231907), (1118, 142712), (2236, 71356), (4472, 35678), (8944, 17839)]