1285757072

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{253501}}^1$

素因数の和:253826

約数の個数: 20

約数和(自身を含む): 2499022716

約数和(自身を除く): 1213265644

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 253501, 507002, 1014004, 2028008, 4056016, 80359817, 160719634, 321439268, 642878536, 1285757072]

約数ペア:

[(1, 1285757072), (2, 642878536), (4, 321439268), (8, 160719634), (16, 80359817), (317, 4056016), (634, 2028008), (1268, 1014004), (2536, 507002), (5072, 253501)]