647222704

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{127607}}^1$

素因数の和:127932

約数の個数: 20

約数和(自身を含む): 1257959664

約数和(自身を除く): 610736960

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 127607, 255214, 510428, 1020856, 2041712, 40451419, 80902838, 161805676, 323611352, 647222704]

約数ペア:

[(1, 647222704), (2, 323611352), (4, 161805676), (8, 80902838), (16, 40451419), (317, 2041712), (634, 1020856), (1268, 510428), (2536, 255214), (5072, 127607)]