25100218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 45799776

約数和(自身を除く): 20699558

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 157, 169, 286, 314, 338, 473, 559, 946, 1118, 1727, 1859, 2041, 3454, 3718, 4082, 6149, 6751, 7267, 12298, 13502, 14534, 22451, 26533, 44902, 53066, 74261, 79937, 87763, 148522, 159874, 175526, 291863, 583726, 965393, 1140919, 1930786, 2281838, 12550109, 25100218]

約数ペア:

[(1, 25100218), (2, 12550109), (11, 2281838), (13, 1930786), (22, 1140919), (26, 965393), (43, 583726), (86, 291863), (143, 175526), (157, 159874), (169, 148522), (286, 87763), (314, 79937), (338, 74261), (473, 53066), (559, 44902), (946, 26533), (1118, 22451), (1727, 14534), (1859, 13502), (2041, 12298), (3454, 7267), (3718, 6751), (4082, 6149)]