128839379

素因数分解:

${\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 143941248

約数和(自身を除く): 15101869

約数列:

[1, 17, 31, 73, 197, 289, 527, 1241, 2263, 3349, 6107, 8959, 14381, 21097, 38471, 56933, 103819, 244477, 445811, 654007, 1764923, 4156109, 7578787, 128839379]

約数ペア:

[(1, 128839379), (17, 7578787), (31, 4156109), (73, 1764923), (197, 654007), (289, 445811), (527, 244477), (1241, 103819), (2263, 56933), (3349, 38471), (6107, 21097), (8959, 14381)]