47780005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 71092224

約数和(自身を除く): 23312219

約数列:

[1, 5, 7, 13, 35, 65, 91, 173, 455, 607, 865, 1211, 2249, 3035, 4249, 6055, 7891, 11245, 15743, 21245, 39455, 55237, 78715, 105011, 276185, 525055, 735077, 1365143, 3675385, 6825715, 9556001, 47780005]

約数ペア:

[(1, 47780005), (5, 9556001), (7, 6825715), (13, 3675385), (35, 1365143), (65, 735077), (91, 525055), (173, 276185), (455, 105011), (607, 78715), (865, 55237), (1211, 39455), (2249, 21245), (3035, 15743), (4249, 11245), (6055, 7891)]