639736068

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1440847}}^1$

素因数の和:1440891

約数の個数: 24

約数和(自身を含む): 1533062272

約数和(自身を除く): 893326204

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 1440847, 2881694, 4322541, 5763388, 8645082, 17290164, 53311339, 106622678, 159934017, 213245356, 319868034, 639736068]

約数ペア:

[(1, 639736068), (2, 319868034), (3, 213245356), (4, 159934017), (6, 106622678), (12, 53311339), (37, 17290164), (74, 8645082), (111, 5763388), (148, 4322541), (222, 2881694), (444, 1440847)]