78178376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{911}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 155623680

約数和(自身を除く): 77445304

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 631, 911, 1262, 1822, 2524, 3644, 5048, 7288, 10727, 15487, 21454, 30974, 42908, 61948, 85816, 123896, 574841, 1149682, 2299364, 4598728, 9772297, 19544594, 39089188, 78178376]

約数ペア:

[(1, 78178376), (2, 39089188), (4, 19544594), (8, 9772297), (17, 4598728), (34, 2299364), (68, 1149682), (136, 574841), (631, 123896), (911, 85816), (1262, 61948), (1822, 42908), (2524, 30974), (3644, 21454), (5048, 15487), (7288, 10727)]