28013678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 27144082

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 121, 154, 161, 242, 253, 322, 506, 719, 847, 1438, 1694, 1771, 2783, 3542, 5033, 5566, 7909, 10066, 15818, 16537, 19481, 33074, 38962, 55363, 86999, 110726, 115759, 173998, 181907, 231518, 363814, 608993, 1217986, 1273349, 2000977, 2546698, 4001954, 14006839, 28013678]

約数ペア:

[(1, 28013678), (2, 14006839), (7, 4001954), (11, 2546698), (14, 2000977), (22, 1273349), (23, 1217986), (46, 608993), (77, 363814), (121, 231518), (154, 181907), (161, 173998), (242, 115759), (253, 110726), (322, 86999), (506, 55363), (719, 38962), (847, 33074), (1438, 19481), (1694, 16537), (1771, 15818), (2783, 10066), (3542, 7909), (5033, 5566)]