209564878

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{22027}}^1$

素因数の和:22167

約数の個数: 16

約数和(自身を含む): 323547264

約数和(自身を除く): 113982386

約数列:

[1, 2, 67, 71, 134, 142, 4757, 9514, 22027, 44054, 1475809, 1563917, 2951618, 3127834, 104782439, 209564878]

約数ペア:

[(1, 209564878), (2, 104782439), (67, 3127834), (71, 2951618), (134, 1563917), (142, 1475809), (4757, 44054), (9514, 22027)]