78347885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1033}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 117925632

約数和(自身を除く): 39577747

約数列:

[1, 5, 7, 11, 35, 55, 77, 197, 385, 985, 1033, 1379, 2167, 5165, 6895, 7231, 10835, 11363, 15169, 36155, 56815, 75845, 79541, 203501, 397705, 1017505, 1424507, 2238511, 7122535, 11192555, 15669577, 78347885]

約数ペア:

[(1, 78347885), (5, 15669577), (7, 11192555), (11, 7122535), (35, 2238511), (55, 1424507), (77, 1017505), (197, 397705), (385, 203501), (985, 79541), (1033, 75845), (1379, 56815), (2167, 36155), (5165, 15169), (6895, 11363), (7231, 10835)]