668836028

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{223243}}^1$

素因数の和:223361

約数の個数: 24

約数和(自身を含む): 1350179712

約数和(自身を除く): 681343684

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 223243, 446486, 892972, 1562701, 3125402, 6250804, 23887001, 47774002, 95548004, 167209007, 334418014, 668836028]

約数ペア:

[(1, 668836028), (2, 334418014), (4, 167209007), (7, 95548004), (14, 47774002), (28, 23887001), (107, 6250804), (214, 3125402), (428, 1562701), (749, 892972), (1498, 446486), (2996, 223243)]