643525636

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{6389}}^1$

素因数の和:6568

約数の個数: 36

約数和(自身を含む): 1227838500

約数和(自身を除く): 584312864

約数列:

[1, 2, 4, 13, 26, 52, 149, 169, 298, 338, 596, 676, 1937, 3874, 6389, 7748, 12778, 25181, 25556, 50362, 83057, 100724, 166114, 332228, 951961, 1079741, 1903922, 2159482, 3807844, 4318964, 12375493, 24750986, 49501972, 160881409, 321762818, 643525636]

約数ペア:

[(1, 643525636), (2, 321762818), (4, 160881409), (13, 49501972), (26, 24750986), (52, 12375493), (149, 4318964), (169, 3807844), (298, 2159482), (338, 1903922), (596, 1079741), (676, 951961), (1937, 332228), (3874, 166114), (6389, 100724), (7748, 83057), (12778, 50362), (25181, 25556)]