201857957

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 253009920

約数和(自身を除く): 51151963

約数列:

[1, 7, 19, 31, 133, 173, 217, 283, 589, 1211, 1981, 3287, 4123, 5363, 5377, 8773, 23009, 37541, 37639, 48959, 61411, 101897, 166687, 342713, 713279, 930221, 1166809, 1517729, 6511547, 10624103, 28836851, 201857957]

約数ペア:

[(1, 201857957), (7, 28836851), (19, 10624103), (31, 6511547), (133, 1517729), (173, 1166809), (217, 930221), (283, 713279), (589, 342713), (1211, 166687), (1981, 101897), (3287, 61411), (4123, 48959), (5363, 37639), (5377, 37541), (8773, 23009)]