257286755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1181}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 358458048

約数和(自身を除く): 101171293

約数列:

[1, 5, 11, 17, 55, 85, 187, 233, 935, 1165, 1181, 2563, 3961, 5905, 12815, 12991, 19805, 20077, 43571, 64955, 100385, 217855, 220847, 275173, 1104235, 1375865, 3026903, 4677941, 15134515, 23389705, 51457351, 257286755]

約数ペア:

[(1, 257286755), (5, 51457351), (11, 23389705), (17, 15134515), (55, 4677941), (85, 3026903), (187, 1375865), (233, 1104235), (935, 275173), (1165, 220847), (1181, 217855), (2563, 100385), (3961, 64955), (5905, 43571), (12815, 20077), (12991, 19805)]