1288257854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1\times {\mathrm{911}}^1$

素因数の和:1460

約数の個数: 32

約数和(自身を含む): 2103808896

約数和(自身を除く): 815551042

約数列:

[1, 2, 13, 26, 137, 274, 397, 794, 911, 1781, 1822, 3562, 5161, 10322, 11843, 23686, 54389, 108778, 124807, 249614, 361667, 707057, 723334, 1414114, 1622491, 3244982, 4701671, 9403342, 49548379, 99096758, 644128927, 1288257854]

約数ペア:

[(1, 1288257854), (2, 644128927), (13, 99096758), (26, 49548379), (137, 9403342), (274, 4701671), (397, 3244982), (794, 1622491), (911, 1414114), (1781, 723334), (1822, 707057), (3562, 361667), (5161, 249614), (10322, 124807), (11843, 108778), (23686, 54389)]