78879185

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{971}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 118692864

約数和(自身を除く): 39813679

約数列:

[1, 5, 7, 11, 35, 55, 77, 211, 385, 971, 1055, 1477, 2321, 4855, 6797, 7385, 10681, 11605, 16247, 33985, 53405, 74767, 81235, 204881, 373835, 1024405, 1434167, 2253691, 7170835, 11268455, 15775837, 78879185]

約数ペア:

[(1, 78879185), (5, 15775837), (7, 11268455), (11, 7170835), (35, 2253691), (55, 1434167), (77, 1024405), (211, 373835), (385, 204881), (971, 81235), (1055, 74767), (1477, 53405), (2321, 33985), (4855, 16247), (6797, 11605), (7385, 10681)]