690744574

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{19841}}^1$

素因数の和:19972

約数の個数: 24

約数和(自身を含む): 1132898832

約数和(自身を除く): 442154258

約数列:

[1, 2, 13, 26, 103, 169, 206, 338, 1339, 2678, 17407, 19841, 34814, 39682, 257933, 515866, 2043623, 3353129, 4087246, 6706258, 26567099, 53134198, 345372287, 690744574]

約数ペア:

[(1, 690744574), (2, 345372287), (13, 53134198), (26, 26567099), (103, 6706258), (169, 4087246), (206, 3353129), (338, 2043623), (1339, 515866), (2678, 257933), (17407, 39682), (19841, 34814)]