2131523569

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 2686022400

約数和(自身を除く): 554498831

約数列:

[1, 7, 19, 49, 73, 79, 133, 397, 511, 553, 931, 1387, 1501, 2779, 3577, 3871, 5767, 7543, 9709, 10507, 19453, 28981, 31363, 40369, 52801, 67963, 73549, 109573, 202867, 219541, 282583, 369607, 550639, 595897, 767011, 1420069, 1536787, 2289499, 3854473, 4171279, 5369077, 16026493, 26981311, 29198953, 43500481, 112185451, 304503367, 2131523569]

約数ペア:

[(1, 2131523569), (7, 304503367), (19, 112185451), (49, 43500481), (73, 29198953), (79, 26981311), (133, 16026493), (397, 5369077), (511, 4171279), (553, 3854473), (931, 2289499), (1387, 1536787), (1501, 1420069), (2779, 767011), (3577, 595897), (3871, 550639), (5767, 369607), (7543, 282583), (9709, 219541), (10507, 202867), (19453, 109573), (28981, 73549), (31363, 67963), (40369, 52801)]