217616516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^2$

素因数の和:632

約数の個数: 36

約数和(自身を含む): 419353956

約数和(自身を除く): 201737440

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 281, 562, 689, 1124, 1378, 2756, 3653, 7306, 14612, 14893, 29786, 59572, 78961, 157922, 193609, 315844, 387218, 774436, 1026493, 2052986, 4105972, 4184933, 8369866, 16739732, 54404129, 108808258, 217616516]

約数ペア:

[(1, 217616516), (2, 108808258), (4, 54404129), (13, 16739732), (26, 8369866), (52, 4184933), (53, 4105972), (106, 2052986), (212, 1026493), (281, 774436), (562, 387218), (689, 315844), (1124, 193609), (1378, 157922), (2756, 78961), (3653, 59572), (7306, 29786), (14612, 14893)]