138973555

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 209156256

約数和(自身を除く): 70182701

約数列:

[1, 5, 7, 17, 35, 49, 61, 85, 119, 245, 305, 427, 547, 595, 833, 1037, 2135, 2735, 2989, 3829, 4165, 5185, 7259, 9299, 14945, 19145, 26803, 33367, 36295, 46495, 50813, 65093, 134015, 166835, 233569, 254065, 325465, 455651, 567239, 1167845, 1634983, 2278255, 2836195, 3970673, 8174915, 19853365, 27794711, 138973555]

約数ペア:

[(1, 138973555), (5, 27794711), (7, 19853365), (17, 8174915), (35, 3970673), (49, 2836195), (61, 2278255), (85, 1634983), (119, 1167845), (245, 567239), (305, 455651), (427, 325465), (547, 254065), (595, 233569), (833, 166835), (1037, 134015), (2135, 65093), (2735, 50813), (2989, 46495), (3829, 36295), (4165, 33367), (5185, 26803), (7259, 19145), (9299, 14945)]