291297188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61559}}^1$

素因数の和:61596

約数の個数: 36

約数和(自身を含む): 630866880

約数和(自身を除く): 339569692

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 61559, 123118, 246236, 430913, 800267, 861826, 1600534, 1723652, 3201068, 5601869, 10403471, 11203738, 20806942, 22407476, 41613884, 72824297, 145648594, 291297188]

約数ペア:

[(1, 291297188), (2, 145648594), (4, 72824297), (7, 41613884), (13, 22407476), (14, 20806942), (26, 11203738), (28, 10403471), (52, 5601869), (91, 3201068), (169, 1723652), (182, 1600534), (338, 861826), (364, 800267), (676, 430913), (1183, 246236), (2366, 123118), (4732, 61559)]