25660565

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 38930544

約数和(自身を除く): 13269979

約数列:

[1, 5, 7, 17, 35, 49, 61, 85, 101, 119, 245, 305, 427, 505, 595, 707, 833, 1037, 1717, 2135, 2989, 3535, 4165, 4949, 5185, 6161, 7259, 8585, 12019, 14945, 24745, 30805, 36295, 43127, 50813, 60095, 84133, 104737, 215635, 254065, 301889, 420665, 523685, 733159, 1509445, 3665795, 5132113, 25660565]

約数ペア:

[(1, 25660565), (5, 5132113), (7, 3665795), (17, 1509445), (35, 733159), (49, 523685), (61, 420665), (85, 301889), (101, 254065), (119, 215635), (245, 104737), (305, 84133), (427, 60095), (505, 50813), (595, 43127), (707, 36295), (833, 30805), (1037, 24745), (1717, 14945), (2135, 12019), (2989, 8585), (3535, 7259), (4165, 6161), (4949, 5185)]