28178804515

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1\times {\mathrm{1553}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 35254118592

約数和(自身を除く): 7075314077

約数列:

[1, 5, 41, 61, 205, 305, 1451, 1553, 2501, 7255, 7765, 12505, 59491, 63673, 88511, 94733, 297455, 318365, 442555, 473665, 2253403, 3628951, 3884053, 11267015, 18144755, 19420265, 92389523, 137457583, 461947615, 687287915, 5635760903, 28178804515]

約数ペア:

[(1, 28178804515), (5, 5635760903), (41, 687287915), (61, 461947615), (205, 137457583), (305, 92389523), (1451, 19420265), (1553, 18144755), (2501, 11267015), (7255, 3884053), (7765, 3628951), (12505, 2253403), (59491, 473665), (63673, 442555), (88511, 318365), (94733, 297455)]