209409942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{4985951}}^1$

素因数の和:4985963

約数の個数: 16

約数和(自身を含む): 478651392

約数和(自身を除く): 269241450

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 4985951, 9971902, 14957853, 29915706, 34901657, 69803314, 104704971, 209409942]

約数ペア:

[(1, 209409942), (2, 104704971), (3, 69803314), (6, 34901657), (7, 29915706), (14, 14957853), (21, 9971902), (42, 4985951)]