16565055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 15368385

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 195, 221, 247, 255, 263, 285, 323, 663, 741, 789, 969, 1105, 1235, 1315, 1615, 3315, 3419, 3705, 3945, 4199, 4471, 4845, 4997, 10257, 12597, 13413, 14991, 17095, 20995, 22355, 24985, 51285, 58123, 62985, 64961, 67065, 74955, 84949, 174369, 194883, 254847, 290615, 324805, 424745, 871845, 974415, 1104337, 1274235, 3313011, 5521685, 16565055]

約数ペア:

[(1, 16565055), (3, 5521685), (5, 3313011), (13, 1274235), (15, 1104337), (17, 974415), (19, 871845), (39, 424745), (51, 324805), (57, 290615), (65, 254847), (85, 194883), (95, 174369), (195, 84949), (221, 74955), (247, 67065), (255, 64961), (263, 62985), (285, 58123), (323, 51285), (663, 24985), (741, 22355), (789, 20995), (969, 17095), (1105, 14991), (1235, 13413), (1315, 12597), (1615, 10257), (3315, 4997), (3419, 4845), (3705, 4471), (3945, 4199)]