209964892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 398478528

約数和(自身を除く): 188513636

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 157, 277, 284, 314, 554, 628, 1108, 1207, 2414, 2669, 4709, 4828, 5338, 9418, 10676, 11147, 18836, 19667, 22294, 39334, 43489, 44588, 78668, 86978, 173956, 189499, 334339, 378998, 668678, 739313, 757996, 1337356, 1478626, 2957252, 3087719, 6175438, 12350876, 52491223, 104982446, 209964892]

約数ペア:

[(1, 209964892), (2, 104982446), (4, 52491223), (17, 12350876), (34, 6175438), (68, 3087719), (71, 2957252), (142, 1478626), (157, 1337356), (277, 757996), (284, 739313), (314, 668678), (554, 378998), (628, 334339), (1108, 189499), (1207, 173956), (2414, 86978), (2669, 78668), (4709, 44588), (4828, 43489), (5338, 39334), (9418, 22294), (10676, 19667), (11147, 18836)]