1272117385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{3643}}^1$

素因数の和:4573

約数の個数: 32

約数和(自身を含む): 1905841152

約数和(自身を除く): 633723767

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 907, 3643, 4535, 6349, 9977, 18215, 25501, 31745, 40073, 49885, 69839, 127505, 200365, 280511, 349195, 1402555, 3304201, 16521005, 23129407, 36346211, 115647035, 181731055, 254423477, 1272117385]

約数ペア:

[(1, 1272117385), (5, 254423477), (7, 181731055), (11, 115647035), (35, 36346211), (55, 23129407), (77, 16521005), (385, 3304201), (907, 1402555), (3643, 349195), (4535, 280511), (6349, 200365), (9977, 127505), (18215, 69839), (25501, 49885), (31745, 40073)]