208029503

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 247421952

約数和(自身を除く): 39392449

約数列:

[1, 11, 23, 37, 71, 253, 313, 407, 781, 851, 1633, 2627, 3443, 7199, 9361, 11581, 17963, 22223, 28897, 60421, 79189, 127391, 244453, 266363, 511129, 664631, 822251, 2929993, 5622419, 9044761, 18911773, 208029503]

約数ペア:

[(1, 208029503), (11, 18911773), (23, 9044761), (37, 5622419), (71, 2929993), (253, 822251), (313, 664631), (407, 511129), (781, 266363), (851, 244453), (1633, 127391), (2627, 79189), (3443, 60421), (7199, 28897), (9361, 22223), (11581, 17963)]