25538487

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 38900736

約数和(自身を除く): 13362249

約数列:

[1, 3, 13, 23, 39, 69, 71, 213, 299, 401, 897, 923, 1203, 1633, 2769, 4899, 5213, 9223, 15639, 21229, 27669, 28471, 63687, 85413, 119899, 359697, 370123, 654833, 1110369, 1964499, 8512829, 25538487]

約数ペア:

[(1, 25538487), (3, 8512829), (13, 1964499), (23, 1110369), (39, 654833), (69, 370123), (71, 359697), (213, 119899), (299, 85413), (401, 63687), (897, 28471), (923, 27669), (1203, 21229), (1633, 15639), (2769, 9223), (4899, 5213)]