31784435

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 10551565

約数列:

[1, 5, 19, 29, 83, 95, 139, 145, 415, 551, 695, 1577, 2407, 2641, 2755, 4031, 7885, 11537, 12035, 13205, 20155, 45733, 57685, 76589, 219203, 228665, 334573, 382945, 1096015, 1672865, 6356887, 31784435]

約数ペア:

[(1, 31784435), (5, 6356887), (19, 1672865), (29, 1096015), (83, 382945), (95, 334573), (139, 228665), (145, 219203), (415, 76589), (551, 57685), (695, 45733), (1577, 20155), (2407, 13205), (2641, 12035), (2755, 11537), (4031, 7885)]