2009156744

素因数分解:

$2^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{127679}}^1$

素因数の和:127973

約数の個数: 32

約数和(自身を含む): 4320691200

約数和(自身を除く): 2311534456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 281, 562, 1124, 1967, 2248, 3934, 7868, 15736, 127679, 255358, 510716, 893753, 1021432, 1787506, 3575012, 7150024, 35877799, 71755598, 143511196, 251144593, 287022392, 502289186, 1004578372, 2009156744]

約数ペア:

[(1, 2009156744), (2, 1004578372), (4, 502289186), (7, 287022392), (8, 251144593), (14, 143511196), (28, 71755598), (56, 35877799), (281, 7150024), (562, 3575012), (1124, 1787506), (1967, 1021432), (2248, 893753), (3934, 510716), (7868, 255358), (15736, 127679)]