1988045319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{5527}}^1$

素因数の和:5967

約数の個数: 32

約数和(自身を含む): 2986712064

約数和(自身を除く): 998666745

約数列:

[1, 3, 13, 23, 39, 69, 299, 401, 897, 1203, 5213, 5527, 9223, 15639, 16581, 27669, 71851, 119899, 127121, 215553, 359697, 381363, 1652573, 2216327, 4957719, 6648981, 28812251, 50975521, 86436753, 152926563, 662681773, 1988045319]

約数ペア:

[(1, 1988045319), (3, 662681773), (13, 152926563), (23, 86436753), (39, 50975521), (69, 28812251), (299, 6648981), (401, 4957719), (897, 2216327), (1203, 1652573), (5213, 381363), (5527, 359697), (9223, 215553), (15639, 127121), (16581, 119899), (27669, 71851)]