219933352

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{2621}}^1$

素因数の和:3261

約数の個数: 32

約数和(自身を含む): 437506920

約数和(自身を除く): 217573568

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 617, 1234, 2468, 2621, 4936, 5242, 10484, 10489, 20968, 20978, 41956, 44557, 83912, 89114, 178228, 356456, 1617157, 3234314, 6468628, 12937256, 27491669, 54983338, 109966676, 219933352]

約数ペア:

[(1, 219933352), (2, 109966676), (4, 54983338), (8, 27491669), (17, 12937256), (34, 6468628), (68, 3234314), (136, 1617157), (617, 356456), (1234, 178228), (2468, 89114), (2621, 83912), (4936, 44557), (5242, 41956), (10484, 20978), (10489, 20968)]