721942412

素因数分解:

$2^2\times {\mathrm{2143}}^1\times {\mathrm{84221}}^1$

素因数の和:86368

約数の個数: 12

約数和(自身を含む): 1264003776

約数和(自身を除く): 542061364

約数列:

[1, 2, 4, 2143, 4286, 8572, 84221, 168442, 336884, 180485603, 360971206, 721942412]

約数ペア:

[(1, 721942412), (2, 360971206), (4, 180485603), (2143, 336884), (4286, 168442), (8572, 84221)]