31439155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 11235533

約数列:

[1, 5, 11, 55, 71, 83, 97, 355, 415, 485, 781, 913, 1067, 3905, 4565, 5335, 5893, 6887, 8051, 29465, 34435, 40255, 64823, 75757, 88561, 324115, 378785, 442805, 571621, 2858105, 6287831, 31439155]

約数ペア:

[(1, 31439155), (5, 6287831), (11, 2858105), (55, 571621), (71, 442805), (83, 378785), (97, 324115), (355, 88561), (415, 75757), (485, 64823), (781, 40255), (913, 34435), (1067, 29465), (3905, 8051), (4565, 6887), (5335, 5893)]